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authorLi Zefan <lizf@cn.fujitsu.com>2010-05-24 16:24:28 +0800
committerSteven Rostedt <rostedt@goodmis.org>2010-06-28 17:12:52 -0400
commitc9d932cf8a1c608b676021aef0189376ba6ef151 (patch)
treeb12777124aad80e266c937dbad33be7706aafe7f /kernel/trace/trace_events.c
parent210f766915207636acccba7bec42248bfe882998 (diff)
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.c28
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);

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