forked from Minki/linux
tracing/ftrace: add missing unlock in register_stat_tracer()
We should unlock all_stat_sessions_mutex before returning failure. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
parent
4a2b8dda3f
commit
42fab4b2cd
|
@ -73,8 +73,10 @@ int register_stat_tracer(struct tracer_stat *trace)
|
||||||
/* Already registered? */
|
/* Already registered? */
|
||||||
mutex_lock(&all_stat_sessions_mutex);
|
mutex_lock(&all_stat_sessions_mutex);
|
||||||
list_for_each_entry_safe(node, tmp, &all_stat_sessions, session_list) {
|
list_for_each_entry_safe(node, tmp, &all_stat_sessions, session_list) {
|
||||||
if (node->ts == trace)
|
if (node->ts == trace) {
|
||||||
|
mutex_unlock(&all_stat_sessions_mutex);
|
||||||
return -EINVAL;
|
return -EINVAL;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
mutex_unlock(&all_stat_sessions_mutex);
|
mutex_unlock(&all_stat_sessions_mutex);
|
||||||
|
|
||||||
|
|
Loading…
Reference in New Issue
Block a user