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| author |   Kefeng Wang <wangkefeng.wang@huawei.com> | 2020-06-04 16:51:11 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-04 19:06:26 -0700 |
| commit | eac2cece45074e372f78a459c7bb2d7207b72736 (patch) | |
| tree | 20976da921a78bb161806a350254a0fb35bcab7f /kernel/kprobes.c | |
| parent | mm/vmstat.c: convert to use DEFINE_SEQ_ATTRIBUTE macro (diff) | |
| download | wireguard-linux-eac2cece45074e372f78a459c7bb2d7207b72736.tar.xz wireguard-linux-eac2cece45074e372f78a459c7bb2d7207b72736.zip | |
kernel/kprobes.c: convert to use DEFINE_SEQ_ATTRIBUTE macro
Use DEFINE_SEQ_ATTRIBUTE macro to simplify the code.
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Greg KH <gregkh@linuxfoundation.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Link: http://lkml.kernel.org/r/20200509064031.181091-4-wangkefeng.wang@huawei.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/kprobes.c')
| -rw-r--r-- | kernel/kprobes.c | 34 |
1 files changed, 6 insertions, 28 deletions
diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 0fbdee78266b..50cd84f53df0 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -2475,24 +2475,14 @@ static int show_kprobe_addr(struct seq_file *pi, void *v) return 0; } -static const struct seq_operations kprobes_seq_ops = { +static const struct seq_operations kprobes_sops = { .start = kprobe_seq_start, .next = kprobe_seq_next, .stop = kprobe_seq_stop, .show = show_kprobe_addr }; -static int kprobes_open(struct inode *inode, struct file *filp) -{ - return seq_open(filp, &kprobes_seq_ops); -} - -static const struct file_operations debugfs_kprobes_operations = { - .open = kprobes_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; +DEFINE_SEQ_ATTRIBUTE(kprobes); /* kprobes/blacklist -- shows which functions can not be probed */ static void *kprobe_blacklist_seq_start(struct seq_file *m, loff_t *pos) @@ -2529,24 +2519,13 @@ static void kprobe_blacklist_seq_stop(struct seq_file *f, void *v) mutex_unlock(&kprobe_mutex); } -static const struct seq_operations kprobe_blacklist_seq_ops = { +static const struct seq_operations kprobe_blacklist_sops = { .start = kprobe_blacklist_seq_start, .next = kprobe_blacklist_seq_next, .stop = kprobe_blacklist_seq_stop, .show = kprobe_blacklist_seq_show, }; - -static int kprobe_blacklist_open(struct inode *inode, struct file *filp) -{ - return seq_open(filp, &kprobe_blacklist_seq_ops); -} - -static const struct file_operations debugfs_kprobe_blacklist_ops = { - .open = kprobe_blacklist_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; +DEFINE_SEQ_ATTRIBUTE(kprobe_blacklist); static int arm_all_kprobes(void) { @@ -2705,13 +2684,12 @@ static int __init debugfs_kprobe_init(void) dir = debugfs_create_dir("kprobes", NULL); - debugfs_create_file("list", 0400, dir, NULL, - &debugfs_kprobes_operations); + debugfs_create_file("list", 0400, dir, NULL, &kprobes_fops); debugfs_create_file("enabled", 0600, dir, &value, &fops_kp); debugfs_create_file("blacklist", 0400, dir, NULL, - &debugfs_kprobe_blacklist_ops); + &kprobe_blacklist_fops); return 0; } |