Dan Carpenter 935303d0b5 ALSA: hda: prevent undefined shift in snd_hdac_ext_bus_get_link() ...

[ Upstream commit 158e1886b6262c1d1c96a18c85fac5219b8bf804 ]

This is harmless, but the "addr" comes from the user and it could lead
to a negative shift or to shift wrapping if it's too high.

Fixes: 0b00a5615dc4 ("ALSA: hdac_ext: add hdac extended controller")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20201103101807.GC1127762@mwanda
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2020-11-18 18:27:53 +01:00

..

hdac_ext_bus.c

ASoC: Updates for v4.7

2016-05-16 14:59:00 +02:00

hdac_ext_controller.c

ALSA: hda: prevent undefined shift in snd_hdac_ext_bus_get_link()

2020-11-18 18:27:53 +01:00

hdac_ext_stream.c

ALSA: hda: check stream decoupled register state

2017-01-06 18:16:10 +00:00

Makefile

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