diff --git a/[refs] b/[refs]
index b3eb989df243..329599e5eae1 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d5f1fb53353edc38da326445267c1df0c9676df2
+refs/heads/master: b2af211f284eb1bef19fbb85fc8ef551bb1e7460
diff --git a/trunk/kernel/trace/trace_events_filter.c b/trunk/kernel/trace/trace_events_filter.c
index 49e44dd17851..f364b085397e 100644
--- a/trunk/kernel/trace/trace_events_filter.c
+++ b/trunk/kernel/trace/trace_events_filter.c
@@ -268,7 +268,7 @@ static int regex_match_front(char *str, struct regex *r, int len)
 
 static int regex_match_middle(char *str, struct regex *r, int len)
 {
-	if (strstr(str, r->pattern))
+	if (strnstr(str, r->pattern, len))
 		return 1;
 	return 0;
 }