lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

perf: Fix free_event()

Browse Source 
With the context rework stuff we can actually end up freeing an event
before it gets attached to a context.

Reported-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra
2010-09-13 11:15:58 +02:00
committed by Ingo Molnar
parent cde8e88498
commit 0c67b40872
1 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
kernel/perf_event.c
View File

@@ -2150,7 +2150,9 @@ static void free_event(struct perf_event *event)
if (event->destroy) if (event->destroy)
event->destroy(event); event->destroy(event);
put_ctx(event->ctx); if (event->ctx)
put_ctx(event->ctx);
call_rcu(&event->rcu_head, free_event_rcu); call_rcu(&event->rcu_head, free_event_rcu);
} }