aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--arch/s390/kernel/compat_linux.c11
-rw-r--r--arch/s390/kernel/compat_linux.h10
-rw-r--r--arch/s390/kernel/compat_wrapper.S24
-rw-r--r--arch/s390/kernel/syscalls.S10
4 files changed, 16 insertions, 39 deletions
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index b47a8f1a2662..65b5acbd375b 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -153,7 +153,8 @@ COMPAT_SYSCALL_DEFINE3(s390_setresgid16, u16, rgid, u16, egid, u16, sgid)
low2highgid(sgid));
}
-asmlinkage long sys32_getresgid16(u16 __user *rgidp, u16 __user *egidp, u16 __user *sgidp)
+COMPAT_SYSCALL_DEFINE3(s390_getresgid16, u16 __user *, rgidp,
+ u16 __user *, egidp, u16 __user *, sgidp)
{
const struct cred *cred = current_cred();
int retval;
@@ -170,12 +171,12 @@ asmlinkage long sys32_getresgid16(u16 __user *rgidp, u16 __user *egidp, u16 __us
return retval;
}
-asmlinkage long sys32_setfsuid16(u16 uid)
+COMPAT_SYSCALL_DEFINE1(s390_setfsuid16, u16, uid)
{
return sys_setfsuid((uid_t)uid);
}
-asmlinkage long sys32_setfsgid16(u16 gid)
+COMPAT_SYSCALL_DEFINE1(s390_setfsgid16, u16, gid)
{
return sys_setfsgid((gid_t)gid);
}
@@ -218,7 +219,7 @@ static int groups16_from_user(struct group_info *group_info, u16 __user *groupli
return 0;
}
-asmlinkage long sys32_getgroups16(int gidsetsize, u16 __user *grouplist)
+COMPAT_SYSCALL_DEFINE2(s390_getgroups16, int, gidsetsize, u16 __user *, grouplist)
{
const struct cred *cred = current_cred();
int i;
@@ -243,7 +244,7 @@ out:
return i;
}
-asmlinkage long sys32_setgroups16(int gidsetsize, u16 __user *grouplist)
+COMPAT_SYSCALL_DEFINE2(s390_setgroups16, int, gidsetsize, u16 __user *, grouplist)
{
struct group_info *group_info;
int retval;
diff --git a/arch/s390/kernel/compat_linux.h b/arch/s390/kernel/compat_linux.h
index 2b8dfe66b9b9..766867230d26 100644
--- a/arch/s390/kernel/compat_linux.h
+++ b/arch/s390/kernel/compat_linux.h
@@ -86,11 +86,11 @@ long compat_sys_s390_setuid16(u16 uid);
long compat_sys_s390_setresuid16(u16 ruid, u16 euid, u16 suid);
long compat_sys_s390_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user *suid);
long compat_sys_s390_setresgid16(u16 rgid, u16 egid, u16 sgid);
-long sys32_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid);
-long sys32_setfsuid16(u16 uid);
-long sys32_setfsgid16(u16 gid);
-long sys32_getgroups16(int gidsetsize, u16 __user *grouplist);
-long sys32_setgroups16(int gidsetsize, u16 __user *grouplist);
+long compat_sys_s390_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid);
+long compat_sys_s390_setfsuid16(u16 uid);
+long compat_sys_s390_setfsgid16(u16 gid);
+long compat_sys_s390_getgroups16(int gidsetsize, u16 __user *grouplist);
+long compat_sys_s390_setgroups16(int gidsetsize, u16 __user *grouplist);
long sys32_getuid16(void);
long sys32_geteuid16(void);
long sys32_getgid16(void);
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index a073e7f9acfa..6c55523acf29 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -244,16 +244,6 @@ ENTRY(compat_sys_settimeofday_wrapper)
llgtr %r3,%r3 # struct timezone *
jg compat_sys_settimeofday # branch to system call
-ENTRY(sys32_getgroups16_wrapper)
- lgfr %r2,%r2 # int
- llgtr %r3,%r3 # __kernel_old_gid_emu31_t *
- jg sys32_getgroups16 # branch to system call
-
-ENTRY(sys32_setgroups16_wrapper)
- lgfr %r2,%r2 # int
- llgtr %r3,%r3 # __kernel_old_gid_emu31_t *
- jg sys32_setgroups16 # branch to system call
-
ENTRY(sys32_symlink_wrapper)
llgtr %r2,%r2 # const char *
llgtr %r3,%r3 # const char *
@@ -426,14 +416,6 @@ ENTRY(sys32_personality_wrapper)
llgfr %r2,%r2 # unsigned int
jg sys_s390_personality # branch to system call
-ENTRY(sys32_setfsuid16_wrapper)
- llgfr %r2,%r2 # __kernel_old_uid_emu31_t
- jg sys32_setfsuid16 # branch to system call
-
-ENTRY(sys32_setfsgid16_wrapper)
- llgfr %r2,%r2 # __kernel_old_gid_emu31_t
- jg sys32_setfsgid16 # branch to system call
-
ENTRY(sys32_llseek_wrapper)
llgfr %r2,%r2 # unsigned int
llgfr %r3,%r3 # unsigned long
@@ -552,12 +534,6 @@ ENTRY(sys32_poll_wrapper)
lgfr %r4,%r4 # int
jg sys_poll # branch to system call
-ENTRY(sys32_getresgid16_wrapper)
- llgtr %r2,%r2 # __kernel_old_gid_emu31_t *
- llgtr %r3,%r3 # __kernel_old_gid_emu31_t *
- llgtr %r4,%r4 # __kernel_old_gid_emu31_t *
- jg sys32_getresgid16 # branch to system call
-
ENTRY(sys32_prctl_wrapper)
lgfr %r2,%r2 # int
llgfr %r3,%r3 # unsigned long
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 8c7c4a6f6722..bdba42a35ec6 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -88,8 +88,8 @@ SYSCALL(sys_old_getrlimit,sys_getrlimit,compat_sys_old_getrlimit_wrapper)
SYSCALL(sys_getrusage,sys_getrusage,compat_sys_getrusage)
SYSCALL(sys_gettimeofday,sys_gettimeofday,compat_sys_gettimeofday_wrapper)
SYSCALL(sys_settimeofday,sys_settimeofday,compat_sys_settimeofday_wrapper)
-SYSCALL(sys_getgroups16,sys_ni_syscall,sys32_getgroups16_wrapper) /* 80 old getgroups16 syscall */
-SYSCALL(sys_setgroups16,sys_ni_syscall,sys32_setgroups16_wrapper) /* old setgroups16 syscall */
+SYSCALL(sys_getgroups16,sys_ni_syscall,compat_sys_s390_getgroups16) /* 80 old getgroups16 syscall */
+SYSCALL(sys_setgroups16,sys_ni_syscall,compat_sys_s390_setgroups16) /* old setgroups16 syscall */
NI_SYSCALL /* old select syscall */
SYSCALL(sys_symlink,sys_symlink,sys32_symlink_wrapper)
NI_SYSCALL /* old lstat syscall */
@@ -146,8 +146,8 @@ SYSCALL(sys_bdflush,sys_bdflush,sys32_bdflush_wrapper)
SYSCALL(sys_sysfs,sys_sysfs,sys32_sysfs_wrapper) /* 135 */
SYSCALL(sys_personality,sys_s390_personality,sys32_personality_wrapper)
NI_SYSCALL /* for afs_syscall */
-SYSCALL(sys_setfsuid16,sys_ni_syscall,sys32_setfsuid16_wrapper) /* old setfsuid16 syscall */
-SYSCALL(sys_setfsgid16,sys_ni_syscall,sys32_setfsgid16_wrapper) /* old setfsgid16 syscall */
+SYSCALL(sys_setfsuid16,sys_ni_syscall,compat_sys_s390_setfsuid16) /* old setfsuid16 syscall */
+SYSCALL(sys_setfsgid16,sys_ni_syscall,compat_sys_s390_setfsgid16) /* old setfsgid16 syscall */
SYSCALL(sys_llseek,sys_llseek,sys32_llseek_wrapper) /* 140 */
SYSCALL(sys_getdents,sys_getdents,sys32_getdents_wrapper)
SYSCALL(sys_select,sys_select,compat_sys_select_wrapper)
@@ -179,7 +179,7 @@ NI_SYSCALL /* old sys_query_module */
SYSCALL(sys_poll,sys_poll,sys32_poll_wrapper)
NI_SYSCALL /* old nfsservctl */
SYSCALL(sys_setresgid16,sys_ni_syscall,compat_sys_s390_setresgid16) /* 170 old setresgid16 syscall */
-SYSCALL(sys_getresgid16,sys_ni_syscall,sys32_getresgid16_wrapper) /* old getresgid16 syscall */
+SYSCALL(sys_getresgid16,sys_ni_syscall,compat_sys_s390_getresgid16) /* old getresgid16 syscall */
SYSCALL(sys_prctl,sys_prctl,sys32_prctl_wrapper)
SYSCALL(sys_rt_sigreturn,sys_rt_sigreturn,sys32_rt_sigreturn)
SYSCALL(sys_rt_sigaction,sys_rt_sigaction,compat_sys_rt_sigaction)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.