diff options
Diffstat (limited to '')
33 files changed, 270 insertions, 322 deletions
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c index e4b58240ec53..aa738cad1338 100644 --- a/arch/s390/appldata/appldata_base.c +++ b/arch/s390/appldata/appldata_base.c @@ -220,15 +220,13 @@ appldata_timer_handler(struct ctl_table *ctl, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { int timer_active = appldata_timer_active; - int zero = 0; - int one = 1; int rc; struct ctl_table ctl_entry = { .procname = ctl->procname, .data = &timer_active, .maxlen = sizeof(int), - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }; rc = proc_douintvec_minmax(&ctl_entry, write, buffer, lenp, ppos); @@ -255,13 +253,12 @@ appldata_interval_handler(struct ctl_table *ctl, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { int interval = appldata_interval; - int one = 1; int rc; struct ctl_table ctl_entry = { .procname = ctl->procname, .data = &interval, .maxlen = sizeof(int), - .extra1 = &one, + .extra1 = SYSCTL_ONE, }; rc = proc_dointvec_minmax(&ctl_entry, write, buffer, lenp, ppos); @@ -289,13 +286,11 @@ appldata_generic_handler(struct ctl_table *ctl, int write, struct list_head *lh; int rc, found; int active; - int zero = 0; - int one = 1; struct ctl_table ctl_entry = { .data = &active, .maxlen = sizeof(int), - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }; found = 0; diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index 8964a3f60aad..2db6fb405a9a 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -587,15 +587,13 @@ static int topology_ctl_handler(struct ctl_table *ctl, int write, { int enabled = topology_is_enabled(); int new_mode; - int zero = 0; - int one = 1; int rc; struct ctl_table ctl_entry = { .procname = ctl->procname, .data = &enabled, .maxlen = sizeof(int), - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }; rc = proc_douintvec_minmax(&ctl_entry, write, buffer, lenp, ppos); diff --git a/arch/x86/entry/vdso/vdso32-setup.c b/arch/x86/entry/vdso/vdso32-setup.c index 42d4c89f990e..240626e7f55a 100644 --- a/arch/x86/entry/vdso/vdso32-setup.c +++ b/arch/x86/entry/vdso/vdso32-setup.c @@ -65,9 +65,6 @@ subsys_initcall(sysenter_setup); /* Register vsyscall32 into the ABI table */ #include <linux/sysctl.h> -static const int zero; -static const int one = 1; - static struct ctl_table abi_table2[] = { { .procname = "vsyscall32", @@ -75,8 +72,8 @@ static struct ctl_table abi_table2[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = (int *)&zero, - .extra2 = (int *)&one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, {} }; diff --git a/arch/x86/kernel/itmt.c b/arch/x86/kernel/itmt.c index 838cf8a32c49..1cb3ca9bba49 100644 --- a/arch/x86/kernel/itmt.c +++ b/arch/x86/kernel/itmt.c @@ -65,8 +65,6 @@ static int sched_itmt_update_handler(struct ctl_table *table, int write, return ret; } -static unsigned int zero; -static unsigned int one = 1; static struct ctl_table itmt_kern_table[] = { { .procname = "sched_itmt_enabled", @@ -74,8 +72,8 @@ static struct ctl_table itmt_kern_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = sched_itmt_update_handler, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, {} }; diff --git a/drivers/base/firmware_loader/fallback_table.c b/drivers/base/firmware_loader/fallback_table.c index 776dd69cf5be..ba9d30b28edc 100644 --- a/drivers/base/firmware_loader/fallback_table.c +++ b/drivers/base/firmware_loader/fallback_table.c @@ -16,9 +16,6 @@ * firmware fallback configuration table */ -static unsigned int zero; -static unsigned int one = 1; - struct firmware_fallback_config fw_fallback_config = { .force_sysfs_fallback = IS_ENABLED(CONFIG_FW_LOADER_USER_HELPER_FALLBACK), .loading_timeout = 60, @@ -26,6 +23,7 @@ struct firmware_fallback_config fw_fallback_config = { }; EXPORT_SYMBOL_GPL(fw_fallback_config); +#ifdef CONFIG_SYSCTL struct ctl_table firmware_config_table[] = { { .procname = "force_sysfs_fallback", @@ -33,8 +31,8 @@ struct ctl_table firmware_config_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_douintvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { .procname = "ignore_sysfs_fallback", @@ -42,9 +40,10 @@ struct ctl_table firmware_config_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_douintvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { } }; EXPORT_SYMBOL_GPL(firmware_config_table); +#endif diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 3d8162d28730..a700c5c3d167 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -274,8 +274,6 @@ #define POLL_PERIOD (NSEC_PER_SEC / POLL_FREQUENCY) /* for sysctl proc_dointvec_minmax of dev.i915.perf_stream_paranoid */ -static int zero; -static int one = 1; static u32 i915_perf_stream_paranoid = true; /* The maximum exponent the hardware accepts is 63 (essentially it selects one @@ -3366,8 +3364,8 @@ static struct ctl_table oa_table[] = { .maxlen = sizeof(i915_perf_stream_paranoid), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { .procname = "oa_max_sample_rate", @@ -3375,7 +3373,7 @@ static struct ctl_table oa_table[] = { .maxlen = sizeof(i915_oa_max_sample_rate), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &oa_sample_rate_hard_limit, }, {} diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 894da5abdc55..ebd35fc35290 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -1197,8 +1197,6 @@ static struct kmsg_dumper hv_kmsg_dumper = { }; static struct ctl_table_header *hv_ctl_table_hdr; -static int zero; -static int one = 1; /* * sysctl option to allow the user to control whether kmsg data should be @@ -1211,8 +1209,8 @@ static struct ctl_table hv_ctl_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE }, {} }; diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c index fde8d4073e74..4c49f53afa3e 100644 --- a/drivers/tty/tty_ldisc.c +++ b/drivers/tty/tty_ldisc.c @@ -855,8 +855,6 @@ void tty_ldisc_deinit(struct tty_struct *tty) tty->ldisc = NULL; } -static int zero; -static int one = 1; static struct ctl_table tty_table[] = { { .procname = "ldisc_autoload", @@ -864,8 +862,8 @@ static struct ctl_table tty_table[] = { .maxlen = sizeof(tty_ldisc_autoload), .mode = 0644, .proc_handler = proc_dointvec, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { } }; diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index d37dd5bb7a8f..37a36c6b9f93 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -77,9 +77,6 @@ static int xen_hotplug_unpopulated; #ifdef CONFIG_XEN_BALLOON_MEMORY_HOTPLUG -static int zero; -static int one = 1; - static struct ctl_table balloon_table[] = { { .procname = "hotplug_unpopulated", @@ -87,8 +84,8 @@ static struct ctl_table balloon_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { } }; diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 0f9c073d78d5..d7f1f5011fac 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -291,7 +291,7 @@ static LIST_HEAD(tfile_check_list); #include <linux/sysctl.h> -static long zero; +static long long_zero; static long long_max = LONG_MAX; struct ctl_table epoll_table[] = { @@ -301,7 +301,7 @@ struct ctl_table epoll_table[] = { .maxlen = sizeof(max_user_watches), .mode = 0644, .proc_handler = proc_doulongvec_minmax, - .extra1 = &zero, + .extra1 = &long_zero, .extra2 = &long_max, }, { } diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c index cce8de32779f..0b815178126e 100644 --- a/fs/notify/inotify/inotify_user.c +++ b/fs/notify/inotify/inotify_user.c @@ -45,8 +45,6 @@ struct kmem_cache *inotify_inode_mark_cachep __read_mostly; #include <linux/sysctl.h> -static int zero; - struct ctl_table inotify_table[] = { { .procname = "max_user_instances", @@ -54,7 +52,7 @@ struct ctl_table inotify_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, { .procname = "max_user_watches", @@ -62,7 +60,7 @@ struct ctl_table inotify_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, { .procname = "max_queued_events", @@ -70,7 +68,7 @@ struct ctl_table inotify_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero + .extra1 = SYSCTL_ZERO }, { } }; diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index 36ad1b0d6259..d80989b6c344 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -22,6 +22,10 @@ static const struct inode_operations proc_sys_inode_operations; static const struct file_operations proc_sys_dir_file_operations; static const struct inode_operations proc_sys_dir_operations; +/* shared constants to be used in various sysctls */ +const int sysctl_vals[] = { 0, 1, INT_MAX }; +EXPORT_SYMBOL(sysctl_vals); + /* Support for permanently empty directories */ struct ctl_table sysctl_mount_point[] = { diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h index aadd310769d0..6df477329b76 100644 --- a/include/linux/sysctl.h +++ b/include/linux/sysctl.h @@ -37,6 +37,13 @@ struct ctl_table_root; struct ctl_table_header; struct ctl_dir; +/* Keep the same order as in fs/proc/proc_sysctl.c */ +#define SYSCTL_ZERO ((void *)&sysctl_vals[0]) +#define SYSCTL_ONE ((void *)&sysctl_vals[1]) +#define SYSCTL_INT_MAX ((void *)&sysctl_vals[2]) + +extern const int sysctl_vals[]; + typedef int proc_handler (struct ctl_table *ctl, int write, void __user *buffer, size_t *lenp, loff_t *ppos); diff --git a/ipc/ipc_sysctl.c b/ipc/ipc_sysctl.c index 2b14ce8ce73f..affd66537e87 100644 --- a/ipc/ipc_sysctl.c +++ b/ipc/ipc_sysctl.c @@ -113,9 +113,6 @@ static int proc_ipc_sem_dointvec(struct ctl_table *table, int write, #define proc_ipc_sem_dointvec NULL #endif -static int zero; -static int one = 1; -static int int_max = INT_MAX; int ipc_mni = IPCMNI; int ipc_mni_shift = IPCMNI_SHIFT; int ipc_min_cycle = RADIX_TREE_MAP_SIZE; @@ -141,7 +138,7 @@ static struct ctl_table ipc_kern_table[] = { .maxlen = sizeof(init_ipc_ns.shm_ctlmni), .mode = 0644, .proc_handler = proc_ipc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &ipc_mni, }, { @@ -150,8 +147,8 @@ static struct ctl_table ipc_kern_table[] = { .maxlen = sizeof(init_ipc_ns.shm_rmid_forced), .mode = 0644, .proc_handler = proc_ipc_dointvec_minmax_orphans, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { .procname = "msgmax", @@ -159,8 +156,8 @@ static struct ctl_table ipc_kern_table[] = { .maxlen = sizeof(init_ipc_ns.msg_ctlmax), .mode = 0644, .proc_handler = proc_ipc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &int_max, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_INT_MAX, }, { .procname = "msgmni", @@ -168,7 +165,7 @@ static struct ctl_table ipc_kern_table[] = { .maxlen = sizeof(init_ipc_ns.msg_ctlmni), .mode = 0644, .proc_handler = proc_ipc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &ipc_mni, }, { @@ -177,8 +174,8 @@ static struct ctl_table ipc_kern_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_ipc_auto_msgmni, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { .procname = "msgmnb", @@ -186,8 +183,8 @@ static struct ctl_table ipc_kern_table[] = { .maxlen = sizeof(init_ipc_ns.msg_ctlmnb), .mode = 0644, .proc_handler = proc_ipc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &int_max, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_INT_MAX, }, { .procname = "sem", @@ -203,8 +200,8 @@ static struct ctl_table ipc_kern_table[] = { .maxlen = sizeof(init_ipc_ns.ids[IPC_SEM_IDS].next_id), .mode = 0644, .proc_handler = proc_ipc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &int_max, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_INT_MAX, }, { .procname = "msg_next_id", @@ -212,8 +209,8 @@ static struct ctl_table ipc_kern_table[] = { .maxlen = sizeof(init_ipc_ns.ids[IPC_MSG_IDS].next_id), .mode = 0644, .proc_handler = proc_ipc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &int_max, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_INT_MAX, }, { .procname = "shm_next_id", @@ -221,8 +218,8 @@ static struct ctl_table ipc_kern_table[] = { .maxlen = sizeof(init_ipc_ns.ids[IPC_SHM_IDS].next_id), .mode = 0644, .proc_handler = proc_ipc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &int_max, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_INT_MAX, }, #endif {} diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c index 6d726cef241c..a6a79f85c81a 100644 --- a/kernel/pid_namespace.c +++ b/kernel/pid_namespace.c @@ -291,14 +291,13 @@ static int pid_ns_ctl_handler(struct ctl_table *table, int write, } extern int pid_max; -static int zero = 0; static struct ctl_table pid_ns_ctl_table[] = { { .procname = "ns_last_pid", .maxlen = sizeof(int), .mode = 0666, /* permissions are checked in the handler */ .proc_handler = pid_ns_ctl_handler, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &pid_max, }, { } diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 43186ccfa139..078950d9605b 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -125,9 +125,6 @@ static int sixty = 60; #endif static int __maybe_unused neg_one = -1; - -static int zero; -static int __maybe_unused one = 1; static int __maybe_unused two = 2; static int __maybe_unused four = 4; static unsigned long zero_ul; @@ -385,8 +382,8 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = sysctl_schedstats, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #endif /* CONFIG_SCHEDSTATS */ #endif /* CONFIG_SMP */ @@ -418,7 +415,7 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &one, + .extra1 = SYSCTL_ONE, }, { .procname = "numa_balancing", @@ -426,8 +423,8 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = sysctl_numa_balancing, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #endif /* CONFIG_NUMA_BALANCING */ #endif /* CONFIG_SCHED_DEBUG */ @@ -475,8 +472,8 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #endif #ifdef CONFIG_CFS_BANDWIDTH @@ -486,7 +483,7 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &one, + .extra1 = SYSCTL_ONE, }, #endif #if defined(CONFIG_ENERGY_MODEL) && defined(CONFIG_CPU_FREQ_GOV_SCHEDUTIL) @@ -496,8 +493,8 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = sched_energy_aware_handler, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #endif #ifdef CONFIG_PROVE_LOCKING @@ -562,7 +559,7 @@ static struct ctl_table kern_table[] = { .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &neg_one, - .extra2 = &one, + .extra2 = SYSCTL_ONE, }, #endif #ifdef CONFIG_LATENCYTOP @@ -696,8 +693,8 @@ static struct ctl_table kern_table[] = { .mode = 0644, /* only handle a transition from default "0" to "1" */ .proc_handler = proc_dointvec_minmax, - .extra1 = &one, - .extra2 = &one, + .extra1 = SYSCTL_ONE, + .extra2 = SYSCTL_ONE, }, #endif #ifdef CONFIG_MODULES @@ -715,8 +712,8 @@ static struct ctl_table kern_table[] = { .mode = 0644, /* only handle a transition from default "0" to "1" */ .proc_handler = proc_dointvec_minmax, - .extra1 = &one, - .extra2 = &one, + .extra1 = SYSCTL_ONE, + .extra2 = SYSCTL_ONE, }, #endif #ifdef CONFIG_UEVENT_HELPER @@ -875,7 +872,7 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &ten_thousand, }, { @@ -891,8 +888,8 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax_sysadmin, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { .procname = "kptr_restrict", @@ -900,7 +897,7 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax_sysadmin, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &two, }, #endif @@ -925,8 +922,8 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_watchdog, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { .procname = "watchdog_thresh", @@ -934,7 +931,7 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_watchdog_thresh, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &sixty, }, { @@ -943,8 +940,8 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(int), .mode = NMI_WATCHDOG_SYSCTL_PERM, .proc_handler = proc_nmi_watchdog, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { .procname = "watchdog_cpumask", @@ -960,8 +957,8 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_soft_watchdog, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { .procname = "softlockup_panic", @@ -969,8 +966,8 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #ifdef CONFIG_SMP { @@ -979,8 +976,8 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #endif /* CONFIG_SMP */ #endif @@ -991,8 +988,8 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #ifdef CONFIG_SMP { @@ -1001,8 +998,8 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #endif /* CONFIG_SMP */ #endif @@ -1115,8 +1112,8 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { .procname = "hung_task_check_count", @@ -1124,7 +1121,7 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, { .procname = "hung_task_timeout_secs", @@ -1201,7 +1198,7 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(sysctl_perf_event_sample_rate), .mode = 0644, .proc_handler = perf_proc_update_handler, - .extra1 = &one, + .extra1 = SYSCTL_ONE, }, { .procname = "perf_cpu_time_max_percent", @@ -1209,7 +1206,7 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(sysctl_perf_cpu_time_max_percent), .mode = 0644, .proc_handler = perf_cpu_time_max_percent_handler, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &one_hundred, }, { @@ -1218,7 +1215,7 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(sysctl_perf_event_max_stack), .mode = 0644, .proc_handler = perf_event_max_stack_handler, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &six_hundred_forty_kb, }, { @@ -1227,7 +1224,7 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(sysctl_perf_event_max_contexts_per_stack), .mode = 0644, .proc_handler = perf_event_max_stack_handler, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &one_thousand, }, #endif @@ -1237,8 +1234,8 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON) { @@ -1247,8 +1244,8 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = timer_migration_handler, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #endif #ifdef CONFIG_BPF_SYSCALL @@ -1259,8 +1256,8 @@ static struct ctl_table kern_table[] = { .mode = 0644, /* only handle a transition from default "0" to "1" */ .proc_handler = proc_dointvec_minmax, - .extra1 = &one, - .extra2 = &one, + .extra1 = SYSCTL_ONE, + .extra2 = SYSCTL_ONE, }, { .procname = "bpf_stats_enabled", @@ -1277,8 +1274,8 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(sysctl_panic_on_rcu_stall), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #endif #ifdef CONFIG_STACKLEAK_RUNTIME_DISABLE @@ -1288,8 +1285,8 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(int), .mode = 0600, .proc_handler = stack_erasing_sysctl, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #endif { } @@ -1302,7 +1299,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(sysctl_overcommit_memory), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &two, }, { @@ -1311,7 +1308,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(sysctl_panic_on_oom), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &two, }, { @@ -1348,7 +1345,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, { .procname = "dirty_background_ratio", @@ -1356,7 +1353,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(dirty_background_ratio), .mode = 0644, .proc_handler = dirty_background_ratio_handler, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &one_hundred, }, { @@ -1373,7 +1370,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(vm_dirty_ratio), .mode = 0644, .proc_handler = dirty_ratio_handler, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &one_hundred, }, { @@ -1397,7 +1394,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(dirty_expire_interval), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, { .procname = "dirtytime_expire_seconds", @@ -1405,7 +1402,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(dirtytime_expire_interval), .mode = 0644, .proc_handler = dirtytime_interval_handler, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, { .procname = "swappiness", @@ -1413,7 +1410,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(vm_swappiness), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &one_hundred, }, #ifdef CONFIG_HUGETLB_PAGE @@ -1438,8 +1435,8 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = sysctl_vm_numa_stat_handler, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #endif { @@ -1470,7 +1467,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = drop_caches_sysctl_handler, - .extra1 = &one, + .extra1 = SYSCTL_ONE, .extra2 = &four, }, #ifdef CONFIG_COMPACTION @@ -1496,8 +1493,8 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #endif /* CONFIG_COMPACTION */ @@ -1507,7 +1504,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(min_free_kbytes), .mode = 0644, .proc_handler = min_free_kbytes_sysctl_handler, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, { .procname = "watermark_boost_factor", @@ -1515,7 +1512,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(watermark_boost_factor), .mode = 0644, .proc_handler = watermark_boost_factor_sysctl_handler, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, { .procname = "watermark_scale_factor", @@ -1523,7 +1520,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(watermark_scale_factor), .mode = 0644, .proc_handler = watermark_scale_factor_sysctl_handler, - .extra1 = &one, + .extra1 = SYSCTL_ONE, .extra2 = &one_thousand, }, { @@ -1532,7 +1529,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(percpu_pagelist_fraction), .mode = 0644, .proc_handler = percpu_pagelist_fraction_sysctl_handler, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, #ifdef CONFIG_MMU { @@ -1541,7 +1538,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(sysctl_max_map_count), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, #else { @@ -1550,7 +1547,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(sysctl_nr_trim_pages), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, #endif { @@ -1566,7 +1563,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(block_dump), .mode = 0644, .proc_handler = proc_dointvec, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, { .procname = "vfs_cache_pressure", @@ -1574,7 +1571,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(sysctl_vfs_cache_pressure), .mode = 0644, .proc_handler = proc_dointvec, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, #ifdef HAVE_ARCH_PICK_MMAP_LAYOUT { @@ -1583,7 +1580,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(sysctl_legacy_va_layout), .mode = 0644, .proc_handler = proc_dointvec, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, #endif #ifdef CONFIG_NUMA @@ -1593,7 +1590,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(node_reclaim_mode), .mode = 0644, .proc_handler = proc_dointvec, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, { .procname = "min_unmapped_ratio", @@ -1601,7 +1598,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(sysctl_min_unmapped_ratio), .mode = 0644, .proc_handler = sysctl_min_unmapped_ratio_sysctl_handler, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &one_hundred, }, { @@ -1610,7 +1607,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(sysctl_min_slab_ratio), .mode = 0644, .proc_handler = sysctl_min_slab_ratio_sysctl_handler, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &one_hundred, }, #endif @@ -1661,7 +1658,7 @@ static struct ctl_table vm_table[] = { #endif .mode = 0644, .proc_handler = proc_dointvec, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, #endif #ifdef CONFIG_HIGHMEM @@ -1671,8 +1668,8 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(vm_highmem_is_dirtyable), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #endif #ifdef CONFIG_MEMORY_FAILURE @@ -1682,8 +1679,8 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(sysctl_memory_failure_early_kill), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { .procname = "memory_failure_recovery", @@ -1691,8 +1688,8 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(sysctl_memory_failure_recovery), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #endif { @@ -1738,8 +1735,8 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(sysctl_unprivileged_userfaultfd), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #endif { } @@ -1875,8 +1872,8 @@ static struct ctl_table fs_table[] = { .maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { .procname = "protected_hardlinks", @@ -1884,8 +1881,8 @@ static struct ctl_table fs_table[] = { .maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { .procname = "protected_fifos", @@ -1893,7 +1890,7 @@ static struct ctl_table fs_table[] = { .maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &two, }, { @@ -1902,7 +1899,7 @@ static struct ctl_table fs_table[] = { .maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &two, }, { @@ -1911,7 +1908,7 @@ static struct ctl_table fs_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax_coredump, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &two, }, #if defined(CONFIG_BINFMT_MISC) || defined(CONFIG_BINFMT_MISC_MODULE) @@ -1948,7 +1945,7 @@ static struct ctl_table fs_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &one, + .extra1 = SYSCTL_ONE, }, { } }; @@ -1970,8 +1967,8 @@ static struct ctl_table debug_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_kprobes_optimization_handler, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #endif { } @@ -3395,8 +3392,8 @@ int proc_do_static_key(struct ctl_table *table, int write, .data = &val, .maxlen = sizeof(val), .mode = table->mode, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }; if (write && !capable(CAP_SYS_ADMIN)) diff --git a/kernel/ucount.c b/kernel/ucount.c index feb128c7b5d9..a53cc2b4179c 100644 --- a/kernel/ucount.c +++ b/kernel/ucount.c @@ -52,16 +52,14 @@ static struct ctl_table_root set_root = { .permissions = set_permissions, }; -static int zero = 0; -static int int_max = INT_MAX; #define UCOUNT_ENTRY(name) \ { \ .procname = name, \ .maxlen = sizeof(int), \ .mode = 0644, \ .proc_handler = proc_dointvec_minmax, \ - .extra1 = &zero, \ - .extra2 = &int_max, \ + .extra1 = SYSCTL_ZERO, \ + .extra2 = SYSCTL_INT_MAX, \ } static struct ctl_table user_table[] = { UCOUNT_ENTRY("max_user_namespaces"), diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 742cea4ce72e..26da97359d5b 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -3374,8 +3374,6 @@ void neigh_app_ns(struct neighbour *n) EXPORT_SYMBOL(neigh_app_ns); #ifdef CONFIG_SYSCTL -static int zero; -static int int_max = INT_MAX; static int unres_qlen_max = INT_MAX / SKB_TRUESIZE(ETH_FRAME_LEN); static int proc_unres_qlen(struct ctl_table *ctl, int write, @@ -3384,7 +3382,7 @@ static int proc_unres_qlen(struct ctl_table *ctl, int write, int size, ret; struct ctl_table tmp = *ctl; - tmp.extra1 = &zero; + tmp.extra1 = SYSCTL_ZERO; tmp.extra2 = &unres_qlen_max; tmp.data = &size; @@ -3449,8 +3447,8 @@ static int neigh_proc_dointvec_zero_intmax(struct ctl_table *ctl, int write, struct ctl_table tmp = *ctl; int ret; - tmp.extra1 = &zero; - tmp.extra2 = &int_max; + tmp.extra1 = SYSCTL_ZERO; + tmp.extra2 = SYSCTL_INT_MAX; ret = proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos); neigh_proc_update(ctl, write); @@ -3595,24 +3593,24 @@ static struct neigh_sysctl_table { .procname = "gc_thresh1", .maxlen = sizeof(int), .mode = 0644, - .extra1 = &zero, - .extra2 = &int_max, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_INT_MAX, .proc_handler = proc_dointvec_minmax, }, [NEIGH_VAR_GC_THRESH2] = { .procname = "gc_thresh2", .maxlen = sizeof(int), .mode = 0644, - .extra1 = &zero, - .extra2 = &int_max, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_INT_MAX, .proc_handler = proc_dointvec_minmax, }, [NEIGH_VAR_GC_THRESH3] = { .procname = "gc_thresh3", .maxlen = sizeof(int), .mode = 0644, - .extra1 = &zero, - .extra2 = &int_max, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_INT_MAX, .proc_handler = proc_dointvec_minmax, }, {}, diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c index f9204719aeee..8da5b3a54dac 100644 --- a/net/core/sysctl_net_core.c +++ b/net/core/sysctl_net_core.c @@ -22,8 +22,6 @@ #include <net/busy_poll.h> #include <net/pkt_sched.h> -static int zero = 0; -static int one = 1; static int two __maybe_unused = 2; static int min_sndbuf = SOCK_MIN_SNDBUF; static int min_rcvbuf = SOCK_MIN_RCVBUF; @@ -390,10 +388,10 @@ static struct ctl_table net_core_table[] = { .mode = 0644, .proc_handler = proc_dointvec_minmax_bpf_enable, # ifdef CONFIG_BPF_JIT_ALWAYS_ON - .extra1 = &one, - .extra2 = &one, + .extra1 = SYSCTL_ONE, + .extra2 = SYSCTL_ONE, # else - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &two, # endif }, @@ -404,7 +402,7 @@ static struct ctl_table net_core_table[] = { .maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec_minmax_bpf_restricted, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &two, }, { @@ -413,8 +411,8 @@ static struct ctl_table net_core_table[] = { .maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec_minmax_bpf_restricted, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, # endif { @@ -461,8 +459,8 @@ static struct ctl_table net_core_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE }, #ifdef CONFIG_RPS { @@ -493,7 +491,7 @@ static struct ctl_table net_core_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, { .procname = "busy_read", @@ -501,7 +499,7 @@ static struct ctl_table net_core_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, #endif #ifdef CONFIG_NET_SCHED @@ -533,7 +531,7 @@ static struct ctl_table net_core_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &one, + .extra1 = SYSCTL_ONE, .extra2 = &max_skb_frags, }, { @@ -542,7 +540,7 @@ static struct ctl_table net_core_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, { .procname = "fb_tunnels_only_for_init_net", @@ -550,8 +548,8 @@ static struct ctl_table net_core_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { .procname = "devconf_inherit_init_net", @@ -559,7 +557,7 @@ static struct ctl_table net_core_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &two, }, { @@ -578,7 +576,7 @@ static struct ctl_table netns_core_table[] = { .data = &init_net.core.sysctl_somaxconn, .maxlen = sizeof(int), .mode = 0644, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .proc_handler = proc_dointvec_minmax }, { } diff --git a/net/dccp/sysctl.c b/net/dccp/sysctl.c index b59040f268a9..ee8d4f5afa72 100644 --- a/net/dccp/sysctl.c +++ b/net/dccp/sysctl.c @@ -16,9 +16,7 @@ #endif /* Boundary values */ -static int zero = 0, - one = 1, - u8_max = 0xFF; +static int u8_max = 0xFF; static unsigned long seqw_min = DCCPF_SEQ_WMIN, seqw_max = 0xFFFFFFFF; /* maximum on 32 bit */ @@ -38,7 +36,7 @@ static struct ctl_table dccp_default_table[] = { .maxlen = sizeof(sysctl_dccp_rx_ccid), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &u8_max, /* RFC 4340, 10. */ }, { @@ -47,7 +45,7 @@ static struct ctl_table dccp_default_table[] = { .maxlen = sizeof(sysctl_dccp_tx_ccid), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &u8_max, /* RFC 4340, 10. */ }, { @@ -56,7 +54,7 @@ static struct ctl_table dccp_default_table[] = { .maxlen = sizeof(sysctl_dccp_request_retries), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &one, + .extra1 = SYSCTL_ONE, .extra2 = &u8_max, }, { @@ -65,7 +63,7 @@ static struct ctl_table dccp_default_table[] = { .maxlen = sizeof(sysctl_dccp_retries1), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &u8_max, }, { @@ -74,7 +72,7 @@ static struct ctl_table dccp_default_table[] = { .maxlen = sizeof(sysctl_dccp_retries2), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &u8_max, }, { @@ -83,7 +81,7 @@ static struct ctl_table dccp_default_table[] = { .maxlen = sizeof(sysctl_dccp_tx_qlen), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, { .procname = "sync_ratelimit", diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index 7d66306b5f39..0b980e841927 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -28,8 +28,6 @@ #include <net/protocol.h> #include <net/netevent.h> -static int zero; -static int one = 1; static int two = 2; static int four = 4; static int thousand = 1000; @@ -576,7 +574,7 @@ static struct ctl_table ipv4_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, { .procname = "icmp_msgs_burst", @@ -584,7 +582,7 @@ static struct ctl_table ipv4_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, { .procname = "udp_mem", @@ -674,8 +672,8 @@ static struct ctl_table ipv4_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #endif { @@ -763,8 +761,8 @@ static struct ctl_table ipv4_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = ipv4_fwd_update_priority, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { .procname = "ip_nonlocal_bind", @@ -794,8 +792,8 @@ static struct ctl_table ipv4_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #endif { @@ -864,7 +862,7 @@ static struct ctl_table ipv4_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &one + .extra1 = SYSCTL_ONE }, #endif { @@ -969,7 +967,7 @@ static struct ctl_table ipv4_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &two, }, { @@ -1011,7 +1009,7 @@ static struct ctl_table ipv4_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_tfo_blackhole_detect_timeout, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, #ifdef CONFIG_IP_ROUTE_MULTIPATH { @@ -1020,8 +1018,8 @@ static struct ctl_table ipv4_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { .procname = "fib_multipath_hash_policy", @@ -1029,8 +1027,8 @@ static struct ctl_table ipv4_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_fib_multipath_hash_policy, - .extra1 = &zero, - .extra2 = &two, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #endif { @@ -1047,8 +1045,8 @@ static struct ctl_table ipv4_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, #endif { @@ -1078,7 +1076,7 @@ static struct ctl_table ipv4_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &four, }, { @@ -1222,7 +1220,7 @@ static struct ctl_table ipv4_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &one, + .extra1 = SYSCTL_ONE, .extra2 = &gso_max_segs, }, { @@ -1231,7 +1229,7 @@ static struct ctl_table ipv4_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &one_day_secs }, { @@ -1240,8 +1238,8 @@ static struct ctl_table ipv4_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { .procname = "tcp_invalid_ratelimit", @@ -1256,7 +1254,7 @@ static struct ctl_table ipv4_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &thousand, }, { @@ -1265,7 +1263,7 @@ static struct ctl_table ipv4_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &thousand, }, { @@ -1274,7 +1272,7 @@ static struct ctl_table ipv4_net_table[] = { .maxlen = sizeof(init_net.ipv4.sysctl_tcp_wmem), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &one, + .extra1 = SYSCTL_ONE, }, { .procname = "tcp_rmem", @@ -1282,7 +1280,7 @@ static struct ctl_table ipv4_net_table[] = { .maxlen = sizeof(init_net.ipv4.sysctl_tcp_rmem), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &one, + .extra1 = SYSCTL_ONE, }, { .procname = "tcp_comp_sack_delay_ns", @@ -1297,7 +1295,7 @@ static struct ctl_table ipv4_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &comp_sack_nr_max, }, { @@ -1306,7 +1304,7 @@ static struct ctl_table ipv4_net_table[] = { .maxlen = sizeof(init_net.ipv4.sysctl_udp_rmem_min), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &one + .extra1 = SYSCTL_ONE }, { .procname = "udp_wmem_min", @@ -1314,7 +1312,7 @@ static struct ctl_table ipv4_net_table[] = { .maxlen = sizeof(init_net.ipv4.sysctl_udp_wmem_min), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &one + .extra1 = SYSCTL_ONE }, { } }; diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 521e3203e83a..dc73888c7859 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -6432,8 +6432,6 @@ int addrconf_sysctl_disable_policy(struct ctl_table *ctl, int write, } static int minus_one = -1; -static const int zero = 0; -static const int one = 1; static const int two_five_five = 255; static const struct ctl_table addrconf_sysctl[] = { @@ -6450,7 +6448,7 @@ static const struct ctl_table addrconf_sysctl[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = (void *)&one, + .extra1 = (void *)SYSCTL_ONE, .extra2 = (void *)&two_five_five, }, { @@ -6809,7 +6807,7 @@ static const struct ctl_table addrconf_sysctl[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = (void *)&zero, + .extra1 = (void *)SYSCTL_ZERO, .extra2 = (void *)&two_five_five, }, { diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 4d2e6b31a8d6..8b0c33fb19a2 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -6031,9 +6031,6 @@ int ipv6_sysctl_rtcache_flush(struct ctl_table *ctl, int write, return 0; } -static int zero; -static int one = 1; - static struct ctl_table ipv6_route_table_template[] = { { .procname = "flush", @@ -6111,8 +6108,8 @@ static struct ctl_table ipv6_route_table_template[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { } }; diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c index dc4c91e0bfb8..ec8fcfc60a27 100644 --- a/net/ipv6/sysctl_net_ipv6.c +++ b/net/ipv6/sysctl_net_ipv6.c @@ -21,8 +21,6 @@ #include <net/calipso.h> #endif -static int zero; -static int one = 1; static int flowlabel_reflect_max = 0x7; static int auto_flowlabels_min; static int auto_flowlabels_max = IP6_AUTO_FLOW_LABEL_MAX; @@ -115,7 +113,7 @@ static struct ctl_table ipv6_table_template[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &flowlabel_reflect_max, }, { @@ -152,8 +150,8 @@ static struct ctl_table ipv6_table_template[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_rt6_multipath_hash_policy, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { .procname = "seg6_flowlabel", @@ -179,7 +177,7 @@ static struct ctl_table ipv6_rotable[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &one + .extra1 = SYSCTL_ONE }, #ifdef CONFIG_NETLABEL { diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c index 198ec4fe4148..c312741df2ce 100644 --- a/net/mpls/af_mpls.c +++ b/net/mpls/af_mpls.c @@ -37,8 +37,6 @@ #define MPLS_NEIGH_TABLE_UNSPEC (NEIGH_LINK_TABLE + 1) -static int zero = 0; -static int one = 1; static int label_limit = (1 << 20) - 1; static int ttl_max = 255; @@ -2607,7 +2605,7 @@ static int mpls_platform_labels(struct ctl_table *table, int write, .data = &platform_labels, .maxlen = sizeof(int), .mode = table->mode, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &label_limit, }; @@ -2636,8 +2634,8 @@ static const struct ctl_table mpls_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { .procname = "default_ttl", @@ -2645,7 +2643,7 @@ static const struct ctl_table mpls_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &one, + .extra1 = SYSCTL_ONE, .extra2 = &ttl_max, }, { } diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index 07e0967bf129..060565e7d227 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -1726,7 +1726,6 @@ static int ip_vs_zero_all(struct netns_ipvs *ipvs) #ifdef CONFIG_SYSCTL -static int zero; static int three = 3; static int @@ -1935,7 +1934,7 @@ static struct ctl_table vs_vars[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &three, }, { diff --git a/net/rxrpc/sysctl.c b/net/rxrpc/sysctl.c index 1e3fa67d91aa..2bbb38161851 100644 --- a/net/rxrpc/sysctl.c +++ b/net/rxrpc/sysctl.c @@ -11,7 +11,6 @@ #include "ar-internal.h" static struct ctl_table_header *rxrpc_sysctl_reg_table; -static const unsigned int one = 1; static const unsigned int four = 4; static const unsigned int thirtytwo = 32; static const unsigned int n_65535 = 65535; @@ -97,7 +96,7 @@ static struct ctl_table rxrpc_sysctl_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = (void *)&one, + .extra1 = (void *)SYSCTL_ONE, .extra2 = (void *)&rxrpc_max_client_connections, }, { @@ -115,7 +114,7 @@ static struct ctl_table rxrpc_sysctl_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = (void *)&one, + .extra1 = (void *)SYSCTL_ONE, .extra2 = (void *)&n_max_acks, }, { @@ -124,7 +123,7 @@ static struct ctl_table rxrpc_sysctl_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = (void *)&one, + .extra1 = (void *)SYSCTL_ONE, .extra2 = (void *)&n_65535, }, { @@ -133,7 +132,7 @@ static struct ctl_table rxrpc_sysctl_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = (void *)&one, + .extra1 = (void *)SYSCTL_ONE, .extra2 = (void *)&four, }, diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c index 9a19147902f1..1250751bca1b 100644 --- a/net/sctp/sysctl.c +++ b/net/sctp/sysctl.c @@ -25,10 +25,7 @@ #include <net/sctp/sctp.h> #include <linux/sysctl.h> -static int zero = 0; -static int one = 1; static int timer_max = 86400000; /* ms in one day */ -static int int_max = INT_MAX; static int sack_timer_min = 1; static int sack_timer_max = 500; static int addr_scope_max = SCTP_SCOPE_POLICY_MAX; @@ -92,7 +89,7 @@ static struct ctl_table sctp_net_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &one, + .extra1 = SYSCTL_ONE, .extra2 = &timer_max }, { @@ -101,7 +98,7 @@ static struct ctl_table sctp_net_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_sctp_do_rto_min, - .extra1 = &one, + .extra1 = SYSCTL_ONE, .extra2 = &init_net.sctp.rto_max }, { @@ -137,8 +134,8 @@ static struct ctl_table sctp_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &int_max + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_INT_MAX, }, { .procname = "cookie_preserve_enable", @@ -160,7 +157,7 @@ static struct ctl_table sctp_net_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &one, + .extra1 = SYSCTL_ONE, .extra2 = &timer_max }, { @@ -178,7 +175,7 @@ static struct ctl_table sctp_net_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &one, + .extra1 = SYSCTL_ONE, .extra2 = &timer_max }, { @@ -187,8 +184,8 @@ static struct ctl_table sctp_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &one, - .extra2 = &int_max + .extra1 = SYSCTL_ONE, + .extra2 = SYSCTL_INT_MAX, }, { .procname = "path_max_retrans", @@ -196,8 +193,8 @@ static struct ctl_table sctp_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &one, - .extra2 = &int_max + .extra1 = SYSCTL_ONE, + .extra2 = SYSCTL_INT_MAX, }, { .procname = "max_init_retransmits", @@ -205,8 +202,8 @@ static struct ctl_table sctp_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &one, - .extra2 = &int_max + .extra1 = SYSCTL_ONE, + .extra2 = SYSCTL_INT_MAX, }, { .procname = "pf_retrans", @@ -214,8 +211,8 @@ static struct ctl_table sctp_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &int_max + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_INT_MAX, }, { .procname = "sndbuf_policy", @@ -286,7 +283,7 @@ static struct ctl_table sctp_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &addr_scope_max, }, { @@ -295,7 +292,7 @@ static struct ctl_table sctp_net_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = &proc_dointvec_minmax, - .extra1 = &one, + .extra1 = SYSCTL_ONE, .extra2 = &rwnd_scale_max, }, { diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index 1f73a6a7e43c..ffb1684c4573 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -80,7 +80,6 @@ static unsigned int min_slot_table_size = RPCRDMA_MIN_SLOT_TABLE; static unsigned int max_slot_table_size = RPCRDMA_MAX_SLOT_TABLE; static unsigned int min_inline_size = RPCRDMA_MIN_INLINE; static unsigned int max_inline_size = RPCRDMA_MAX_INLINE; -static unsigned int zero; static unsigned int max_padding = PAGE_SIZE; static unsigned int min_memreg = RPCRDMA_BOUNCEBUFFERS; static unsigned int max_memreg = RPCRDMA_LAST - 1; @@ -122,7 +121,7 @@ static struct ctl_table xr_tunables_table[] = { .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &max_padding, }, { diff --git a/net/tipc/sysctl.c b/net/tipc/sysctl.c index 9df82a573aa7..6159d327db76 100644 --- a/net/tipc/sysctl.c +++ b/net/tipc/sysctl.c @@ -38,8 +38,6 @@ #include <linux/sysctl.h> -static int zero; -static int one = 1; static struct ctl_table_header *tipc_ctl_hdr; static struct ctl_table tipc_table[] = { @@ -49,7 +47,7 @@ static struct ctl_table tipc_table[] = { .maxlen = sizeof(sysctl_tipc_rmem), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &one, + .extra1 = SYSCTL_ONE, }, { .procname = "named_timeout", @@ -57,7 +55,7 @@ static struct ctl_table tipc_table[] = { .maxlen = sizeof(sysctl_tipc_named_timeout), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, }, { .procname = "sk_filter", diff --git a/security/keys/sysctl.c b/security/keys/sysctl.c index dd1e21fab827..b46b651b3c4c 100644 --- a/security/keys/sysctl.c +++ b/security/keys/sysctl.c @@ -9,8 +9,6 @@ #include <linux/sysctl.h> #include "internal.h" -static const int zero, one = 1, max = INT_MAX; - struct ctl_table key_sysctls[] = { { .procname = "maxkeys", @@ -18,8 +16,8 @@ struct ctl_table key_sysctls[] = { .maxlen = sizeof(unsigned), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = (void *) &one, - .extra2 = (void *) &max, + .extra1 = (void *) SYSCTL_ONE, + .extra2 = (void *) SYSCTL_INT_MAX, }, { .procname = "maxbytes", @@ -27,8 +25,8 @@ struct ctl_table key_sysctls[] = { .maxlen = sizeof(unsigned), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = (void *) &one, - .extra2 = (void *) &max, + .extra1 = (void *) SYSCTL_ONE, + .extra2 = (void *) SYSCTL_INT_MAX, }, { .procname = "root_maxkeys", @@ -36,8 +34,8 @@ struct ctl_table key_sysctls[] = { .maxlen = sizeof(unsigned), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = (void *) &one, - .extra2 = (void *) &max, + .extra1 = (void *) SYSCTL_ONE, + .extra2 = (void *) SYSCTL_INT_MAX, }, { .procname = "root_maxbytes", @@ -45,8 +43,8 @@ struct ctl_table key_sysctls[] = { .maxlen = sizeof(unsigned), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = (void *) &one, - .extra2 = (void *) &max, + .extra1 = (void *) SYSCTL_ONE, + .extra2 = (void *) SYSCTL_INT_MAX, }, { .procname = "gc_delay", @@ -54,8 +52,8 @@ struct ctl_table key_sysctls[] = { .maxlen = sizeof(unsigned), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = (void *) &zero, - .extra2 = (void *) &max, + .extra1 = (void *) SYSCTL_ZERO, + .extra2 = (void *) SYSCTL_INT_MAX, }, #ifdef CONFIG_PERSISTENT_KEYRINGS { @@ -64,8 +62,8 @@ struct ctl_table key_sysctls[] = { .maxlen = sizeof(unsigned), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = (void *) &zero, - .extra2 = (void *) &max, + .extra1 = (void *) SYSCTL_ZERO, + .extra2 = (void *) SYSCTL_INT_MAX, }, #endif { } diff --git a/security/loadpin/loadpin.c b/security/loadpin/loadpin.c index 81519c804888..ee5cb944f4ad 100644 --- a/security/loadpin/loadpin.c +++ b/security/loadpin/loadpin.c @@ -43,8 +43,6 @@ static struct super_block *pinned_root; static DEFINE_SPINLOCK(pinned_root_spinlock); #ifdef CONFIG_SYSCTL -static int zero; -static int one = 1; static struct ctl_path loadpin_sysctl_path[] = { { .procname = "kernel", }, @@ -59,8 +57,8 @@ static struct ctl_table loadpin_sysctl_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { } }; diff --git a/security/yama/yama_lsm.c b/security/yama/yama_lsm.c index 01c6239c4493..94dc346370b1 100644 --- a/security/yama/yama_lsm.c +++ b/security/yama/yama_lsm.c @@ -445,7 +445,6 @@ static int yama_dointvec_minmax(struct ctl_table *table, int write, return proc_dointvec_minmax(&table_copy, write, buffer, lenp, ppos); } -static int zero; static int max_scope = YAMA_SCOPE_NO_ATTACH; static struct ctl_path yama_sysctl_path[] = { @@ -461,7 +460,7 @@ static struct ctl_table yama_sysctl_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = yama_dointvec_minmax, - .extra1 = &zero, + .extra1 = SYSCTL_ZERO, .extra2 = &max_scope, }, { } |