tracing: Check return value of tracing_init_dentry()
Check return value and bail out if it's NULL.
Link: http://lkml.kernel.org/r/1365553093-10180-2-git-send-email-namhyung@kernel.org
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: stable@vger.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 07860b9..7297079 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -5953,6 +5953,8 @@
trace_access_lock_init();
d_tracer = tracing_init_dentry();
+ if (!d_tracer)
+ return 0;
init_tracer_debugfs(&global_trace, d_tracer);
