diff options
| author | Li Zefan <lizf@cn.fujitsu.com> | 2010-05-24 16:24:28 +0800 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2010-06-28 17:12:52 -0400 |
| commit | c9d932cf8a1c608b676021aef0189376ba6ef151 (patch) | |
| tree | b12777124aad80e266c937dbad33be7706aafe7f /kernel/trace/trace_events.c | |
| parent | 210f766915207636acccba7bec42248bfe882998 (diff) | |
| download | linux-c9d932cf8a1c608b676021aef0189376ba6ef151.tar.gz linux-c9d932cf8a1c608b676021aef0189376ba6ef151.tar.bz2 linux-c9d932cf8a1c608b676021aef0189376ba6ef151.zip | |
tracing: Remove test of NULL define_fields callback
Every event (or event class) has it's define_fields callback,
so the test is redundant.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <4BFA37BC.8080707@cn.fujitsu.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_events.c')
| -rw-r--r-- | kernel/trace/trace_events.c | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index d3b4bdf00b39..5bad9cbbf974 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -987,23 +987,21 @@ event_create_dir(struct ftrace_event_call *call, struct dentry *d_events, id); #endif - if (call->class->define_fields) { - /* - * Other events may have the same class. Only update - * the fields if they are not already defined. - */ - head = trace_get_fields(call); - if (list_empty(head)) { - ret = call->class->define_fields(call); - if (ret < 0) { - pr_warning("Could not initialize trace point" - " events/%s\n", call->name); - return ret; - } + /* + * Other events may have the same class. Only update + * the fields if they are not already defined. + */ + head = trace_get_fields(call); + if (list_empty(head)) { + ret = call->class->define_fields(call); + if (ret < 0) { + pr_warning("Could not initialize trace point" + " events/%s\n", call->name); + return ret; } - trace_create_file("filter", 0644, call->dir, call, - filter); } + trace_create_file("filter", 0644, call->dir, call, + filter); trace_create_file("format", 0444, call->dir, call, format); |