diff options
| author | Yuntao Wang <ytcoode@gmail.com> | 2022-01-14 21:10:52 +0800 |
|---|---|---|
| committer | Steven Rostedt (Google) <rostedt@goodmis.org> | 2022-05-26 21:12:52 -0400 |
| commit | e4931b824a6f36cae9cc5632709f015cfa748a25 (patch) | |
| tree | 950d5010d7f1c4707951801ad6dd09b9539512ae /kernel/trace/trace_kprobe.c | |
| parent | e35c2d8e22745751cf304ec3fe39616643db2e0a (diff) | |
tracing: Use trace_create_file() to simplify creation of tracefs entries
Creating tracefs entries with tracefs_create_file() followed by pr_warn()
is tedious and repetitive, we can use trace_create_file() to simplify
this process and make the code more readable.
Link: https://lkml.kernel.org/r/20220114131052.534382-1-ytcoode@gmail.com
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Yuntao Wang <ytcoode@gmail.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_kprobe.c')
| -rw-r--r-- | kernel/trace/trace_kprobe.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 47cebef78532..93507330462c 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -1907,25 +1907,18 @@ core_initcall(init_kprobe_trace_early); static __init int init_kprobe_trace(void) { int ret; - struct dentry *entry; ret = tracing_init_dentry(); if (ret) return 0; - entry = tracefs_create_file("kprobe_events", TRACE_MODE_WRITE, - NULL, NULL, &kprobe_events_ops); - /* Event list interface */ - if (!entry) - pr_warn("Could not create tracefs 'kprobe_events' entry\n"); + trace_create_file("kprobe_events", TRACE_MODE_WRITE, + NULL, NULL, &kprobe_events_ops); /* Profile interface */ - entry = tracefs_create_file("kprobe_profile", TRACE_MODE_READ, - NULL, NULL, &kprobe_profile_ops); - - if (!entry) - pr_warn("Could not create tracefs 'kprobe_profile' entry\n"); + trace_create_file("kprobe_profile", TRACE_MODE_READ, + NULL, NULL, &kprobe_profile_ops); setup_boot_kprobe_events(); |