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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2009-10-03 15:08:54 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2009-10-05 10:57:56 +0200 |
| commit | 75fb4090b39a3d7bf9ac77a28665c991ec5eaadc (patch) | |
| tree | 127abba2cc4382cd7f70e4867184e5af0b275748 | |
| parent | fe8e5b5a60f8427940d33b205e127aecfb0bca10 (diff) | |
| download | op-kernel-dev-75fb4090b39a3d7bf9ac77a28665c991ec5eaadc.zip op-kernel-dev-75fb4090b39a3d7bf9ac77a28665c991ec5eaadc.tar.gz | |
tracing: Use free_percpu instead of kfree
In the event->profile_enable() failure path, we release the per cpu
buffers using kfree which is wrong because they are per cpu pointers.
Although free_percpu only wraps kfree for now, that may change in the
future so lets use the correct way.
Reported-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Li Zefan <lizf@cn.fujitsu.com>
| -rw-r--r-- | kernel/trace/trace_event_profile.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/trace/trace_event_profile.c b/kernel/trace/trace_event_profile.c index e52784b..8d5c171 100644 --- a/kernel/trace/trace_event_profile.c +++ b/kernel/trace/trace_event_profile.c @@ -53,8 +53,8 @@ static int ftrace_profile_enable_event(struct ftrace_event_call *event) fail_buf_nmi: if (!total_profile_count) { - kfree(trace_profile_buf_nmi); - kfree(trace_profile_buf); + free_percpu(trace_profile_buf_nmi); + free_percpu(trace_profile_buf); trace_profile_buf_nmi = NULL; trace_profile_buf = NULL; } |
