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authorPeter Wu <peter@lekensteyn.nl>2016-05-24 18:16:30 +0200
committerPeter Wu <peter@lekensteyn.nl>2016-07-07 18:27:23 +0200
commitd08535da35c114d1f1711ba1a220f6d8b9b29c93 (patch)
treed80a497e60d79926af70e566f3a12e6651b75933 /mm/mempool.c
parent097c268db42790bf1dc0d0e92985fb456ed42b50 (diff)
downloadlinux-d08535da35c114d1f1711ba1a220f6d8b9b29c93.tar.gz
drm/nouveau/acpi: check for function 0x1B before using it
Do not unconditionally invoke function 0x1B without checking for its availability, it leads to an infinite loop on some firmware. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=104791 Fixes: 5addcf0a5f0fad ("nouveau: add runtime PM support (v0.9)") Signed-off-by: Peter Wu <peter@lekensteyn.nl>
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