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| author | Li Zefan <lizf@cn.fujitsu.com> | 2009-05-07 09:11:15 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-05-07 10:07:28 +0200 |
| commit | d94fc523f3c35bd8013f04827e94756cbc0212f4 (patch) | |
| tree | aacd8c0aaa2024437b7bfba4636afcc87f4890bf /kernel/softirq.c | |
| parent | tracing/filters: support for operator reserved characters in strings (diff) | |
| download | linux-d94fc523f3c35bd8013f04827e94756cbc0212f4.tar.xz linux-d94fc523f3c35bd8013f04827e94756cbc0212f4.zip | |
tracing/events: fix concurrent access to ftrace_events list, fix
In filter_add_subsystem_pred() we should release event_mutex before
calling filter_free_subsystem_preds(), since both functions hold
event_mutex.
[ Impact: fix deadlock when writing invalid pred into subsystem filter ]
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: tzanussi@gmail.com
Cc: a.p.zijlstra@chello.nl
Cc: fweisbec@gmail.com
Cc: rostedt@goodmis.org
LKML-Reference: <4A028993.7020509@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/softirq.c')
0 files changed, 0 insertions, 0 deletions