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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

6
kernel/trace/trace_printk.c
View File

@@ -245,17 +245,13 @@ static const struct file_operations ftrace_formats_fops = {
static __init int init_trace_printk_function_export(void)
{
struct dentry *d_tracer;
struct dentry *entry;
d_tracer = tracing_init_dentry();
if (!d_tracer)
return 0;
entry = debugfs_create_file("printk_formats", 0444, d_tracer,
trace_create_file("printk_formats", 0444, d_tracer,
NULL, &ftrace_formats_fops);
if (!entry)
pr_warning("Could not create debugfs "
"'printk_formats' entry\n");
return 0;
}