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linux-stable/sound/isa
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Chengfeng Ye 1ac6cd87d8 ALSA: gus: fix null pointer dereference on pointer block 
[ Upstream commit a0d21bb327 ]

The pointer block return from snd_gf1_dma_next_block could be
null, so there is a potential null pointer dereference issue.
Fix this by adding a null check before dereference.

Signed-off-by: Chengfeng Ye <cyeaa@connect.ust.hk>
Link: https://lore.kernel.org/r/20211024104611.9919-1-cyeaa@connect.ust.hk
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-11-26 10:39:11 +01:00
..
ad1816a ALSA: Fix misspellings of "Analog Devices" 2020-04-17 11:38:03 +02:00
ad1848 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
cs423x ALSA: isa: delete repeated words in comments 2020-08-06 09:29:25 +02:00
es1688 ALSA: es1688: Add the missed snd_card_free() 2020-06-03 11:40:55 +02:00
galaxy ALSA: Use fallthrough pseudo-keyword 2020-07-09 13:01:29 +02:00
gus ALSA: gus: fix null pointer dereference on pointer block 2021-11-26 10:39:11 +01:00
msnd ALSA: Use fallthrough pseudo-keyword 2020-07-09 13:01:29 +02:00
opti9xx ALSA: Use fallthrough pseudo-keyword 2020-07-09 13:01:29 +02:00
sb ALSA: sb: Fix potential ABBA deadlock in CSP driver 2021-07-28 14:35:42 +02:00
wavefront ALSA: isa/wavefront: prevent out of bounds write in ioctl 2020-05-01 12:25:49 +02:00
wss ALSA: wss: More constifications 2020-01-05 16:15:05 +01:00
adlib.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
als100.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
azt2320.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
cmi8328.c ALSA: cmi8328: More constifications 2020-01-05 16:14:59 +01:00
cmi8330.c ALSA: isa: Fix error return code in snd_cmi8330_probe() 2021-07-20 16:05:53 +02:00
es18xx.c ALSA: isa: delete repeated words in comments 2020-08-06 09:29:25 +02:00
Kconfig ALSA: ISA: not for M68K 2021-11-26 10:39:10 +01:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
opl3sa2.c ALSA: isa: Constify snd_kcontrol_new items 2020-01-03 09:24:25 +01:00
sc6000.c ALSA: sc6000: More constification 2020-01-05 16:15:05 +01:00
sscape.c ALSA: isa: fix spelling mistakes in the comments 2020-08-16 09:37:01 +02:00