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| author | Tejun Heo <tj@kernel.org> | 2017-03-06 15:33:42 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-14 09:28:19 +0100 |
| commit | 757e1845d6c3e66da90c00e4e487d053b62ce646 (patch) | |
| tree | dbda8efcc864bacd6838b02dc86d3708c93c1f97 /kernel/power | |
| parent | da6a95b0ef8202ab541ece19c8b1844b1fadcd9e (diff) | |
workqueue: trigger WARN if queue_delayed_work() is called with NULL @wq
[ Upstream commit 637fdbae60d6cb9f6e963c1079d7e0445c86ff7d ]
If queue_delayed_work() gets called with NULL @wq, the kernel will
oops asynchronuosly on timer expiration which isn't too helpful in
tracking down the offender. This actually happened with smc.
__queue_delayed_work() already does several input sanity checks
synchronously. Add NULL @wq check.
Reported-by: Dave Jones <davej@codemonkey.org.uk>
Link: http://lkml.kernel.org/r/20170227171439.jshx3qplflyrgcv7@codemonkey.org.uk
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/power')
0 files changed, 0 insertions, 0 deletions