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| author | Li Zefan <lizf@cn.fujitsu.com> | 2009-04-21 17:11:46 +0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-21 11:58:27 +0200 |
| commit | e8082f3f5a17d7a7bfc7dd1050a3f958dc034e9a (patch) | |
| tree | 8c809037eb92171b1d8f9f2627111751d562267f /kernel/trace/ring_buffer.c | |
| parent | cb4764a6dbffd9bb3cf759421ae82384071a933d (diff) | |
| download | olio-linux-3.10-e8082f3f5a17d7a7bfc7dd1050a3f958dc034e9a.tar.xz olio-linux-3.10-e8082f3f5a17d7a7bfc7dd1050a3f958dc034e9a.zip | |
tracing/filters: don't remove old filters when failed to write subsys->filter
If writing subsys->filter returns EINVAL or ENOSPC, the original
filters in subsys/ and subsys/events/ will be removed. This is
definitely wrong.
[ Impact: fix filter setting semantics on error condition ]
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <49ED8DD2.2070700@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace/ring_buffer.c')
0 files changed, 0 insertions, 0 deletions