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_dynevent.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_dynevent.c')
| -rw-r--r-- | kernel/trace/trace_dynevent.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/kernel/trace/trace_dynevent.c b/kernel/trace/trace_dynevent.c index e34e8182ee4b..076b447a1b88 100644 --- a/kernel/trace/trace_dynevent.c +++ b/kernel/trace/trace_dynevent.c @@ -255,19 +255,14 @@ static const struct file_operations dynamic_events_ops = { /* Make a tracefs interface for controlling dynamic events */ static __init int init_dynamic_event(void) { - struct dentry *entry; int ret; ret = tracing_init_dentry(); if (ret) return 0; - entry = tracefs_create_file("dynamic_events", TRACE_MODE_WRITE, NULL, - NULL, &dynamic_events_ops); - - /* Event list interface */ - if (!entry) - pr_warn("Could not create tracefs 'dynamic_events' entry\n"); + trace_create_file("dynamic_events", TRACE_MODE_WRITE, NULL, + NULL, &dynamic_events_ops); return 0; } |