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| 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/ftrace.c | |
| parent | e35c2d8e22745751cf304ec3fe39616643db2e0a (diff) | |
| download | linux-e4931b824a6f36cae9cc5632709f015cfa748a25.tar.bz2 | |
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/ftrace.c')
| -rw-r--r-- | kernel/trace/ftrace.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 5c465e70d146..6c5b12669e06 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -952,7 +952,6 @@ static struct tracer_stat function_stats __initdata = { static __init void ftrace_profile_tracefs(struct dentry *d_tracer) { struct ftrace_profile_stat *stat; - struct dentry *entry; char *name; int ret; int cpu; @@ -983,11 +982,9 @@ static __init void ftrace_profile_tracefs(struct dentry *d_tracer) } } - entry = tracefs_create_file("function_profile_enabled", - TRACE_MODE_WRITE, d_tracer, NULL, - &ftrace_profile_fops); - if (!entry) - pr_warn("Could not create tracefs 'function_profile_enabled' entry\n"); + trace_create_file("function_profile_enabled", + TRACE_MODE_WRITE, d_tracer, NULL, + &ftrace_profile_fops); } #else /* CONFIG_FUNCTION_PROFILER */ |