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tracing/ftrace: factorize the tracing files creation

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Impact: cleanup

Most of the tracing files creation follow the same pattern:

ret = debugfs_create_file(...)
if (!ret)
	pr_warning("Couldn't create ... entry\n")

Unify it!

Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <1238109938-11840-1-git-send-email-fweisbec@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Frederic Weisbecker
2009-03-27 00:25:38 +01:00
committed by Ingo Molnar
parent a5dec5573f
commit 5452af664f
8 changed files with 78 additions and 143 deletions
Download Patch File Download Diff File Expand all files Collapse all files
kernel/trace/ring_buffer.c
+2 -5
View File
@@ -2845,14 +2845,11 @@ static const struct file_operations rb_simple_fops = {
static __init int rb_init_debugfs(void)
{
struct dentry *d_tracer;
struct dentry *entry;
d_tracer = tracing_init_dentry();
entry = debugfs_create_file("tracing_on", 0644, d_tracer,
&ring_buffer_flags, &rb_simple_fops);
if (!entry)
pr_warning("Could not create debugfs 'tracing_on' entry\n");
trace_create_file("tracing_on", 0644, d_tracer,
&ring_buffer_flags, &rb_simple_fops);
return 0;
}