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| author | Hans Verkuil <[email protected]> | 2010-11-26 09:54:53 +0000 |
|---|---|---|
| committer | Mauro Carvalho Chehab <[email protected]> | 2010-12-01 22:10:20 +0000 |
| commit | ca9afe6f87b569cdf8e797395381f18ae23a2905 (patch) | |
| tree | 9c5475baf2bb90f05fe25e8ca6fa8f53c2fc05dc /tools/perf/scripts/python/sched-migration.py | |
| parent | [media] V4L: improve the BKL replacement heuristic (diff) | |
| download | kernel-ca9afe6f87b569cdf8e797395381f18ae23a2905.tar.gz kernel-ca9afe6f87b569cdf8e797395381f18ae23a2905.zip | |
[media] v4l2-dev: fix race condition
The unregister function had a race condition with the v4l2_open
function. Ensure that both functions test and clear the REGISTER
flag from within a critical section.
Thanks to Laurent Pinchart for finding this race.
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/sched-migration.py')
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