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tracing: Check return value of tracing_init_dentry()

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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>
This commit is contained in:
Namhyung Kim 2013-04-10 09:18:12 +09:00 • committed by Steven Rostedt
commit ed6f1c996b
3 changed files with 6 additions and 0 deletions
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kernel/trace/trace.c
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@ -5953,6 +5953,8 @@ static __init int tracer_init_debugfs(void)
trace_access_lock_init();
d_tracer = tracing_init_dentry();
if (!d_tracer)
return 0;
init_tracer_debugfs(&global_trace, d_tracer);