Kangjie Lu
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6a49a601f6
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ALSA: echoaudio: add a check for ioremap_nocache
[ Upstream commit 6ade657d6125ec3ec07f95fa51e28138aef6208f ]
In case ioremap_nocache fails, the fix releases chip and returns
an error code upstream to avoid NULL pointer dereference.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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2020-04-06 15:16:55 +02:00 |
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