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Commit 43bd1236 authored by Frederic Weisbecker's avatar Frederic Weisbecker
Browse files

tracing/stat: remove unappropriate safe walk on list 



register_stat_tracer() uses list_for_each_entry_safe
to check whether a tracer is already present in the list.
But we don't delete anything from the list here, so
we don't need the safe version

[ Impact: cleanup list use is stat tracing ]

Signed-off-by: default avatarFrederic Weisbecker <fweisbec@gmail.com>
parent dbd3fbdf

kernel/trace/trace_stat.c

+2 −2
Original line number Diff line number Diff line
@@ -316,7 +316,7 @@ static int init_stat_file(struct stat_session *session) 


int register_stat_tracer(struct tracer_stat *trace)

{

	struct stat_session *session, *node, *tmp;

	struct stat_session *session, *node;

	int ret;



	if (!trace)
@@ -327,7 +327,7 @@ int register_stat_tracer(struct tracer_stat *trace) 


	/* Already registered? */

	mutex_lock(&all_stat_sessions_mutex);

	list_for_each_entry_safe(node, tmp, &all_stat_sessions, session_list) {

	list_for_each_entry(node, &all_stat_sessions, session_list) {

		if (node->ts == trace) {

			mutex_unlock(&all_stat_sessions_mutex);

			return -EINVAL;