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authorTakashi Iwai <tiwai@suse.de>2019-11-05 14:43:16 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-11-12 19:17:59 +0100
commitbd4bb87222365ce1161bf78409d5a66d0637926d (patch)
tree84d509279874857097942be8f2b9a7c9e3bfb767 /include/linux/mm.h
parent2e3f0caf9f62735a5d997003bf1e17bedd0014d6 (diff)
ALSA: hda/ca0132 - Fix possible workqueue stall
commit 15c2b3cc09a31620914955cb2a89c277c18ee999 upstream. The unsolicited event handler for the headphone jack on CA0132 codec driver tries to reschedule the another delayed work with cancel_delayed_work_sync(). It's no good idea, unfortunately, especially after we changed the work queue to the standard global one; this may lead to a stall because both works are using the same global queue. Fix it by dropping the _sync but does call cancel_delayed_work() instead. Fixes: 993884f6a26c ("ALSA: hda/ca0132 - Delay HP amp turnon.") BugLink: https://bugzilla.suse.com/show_bug.cgi?id=1155836 Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20191105134316.19294-1-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/mm.h')
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