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linux-stable/sound/isa/gus
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Chengfeng Ye a0d21bb327 ALSA: gus: fix null pointer dereference on pointer block 
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>
 		2021-10-26 08:02:16 +02:00
..
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
gus_dma.c ALSA: gus: fix null pointer dereference on pointer block 2021-10-26 08:02:16 +02:00
gus_dram.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
gus_io.c ALSA: gus: More constifications 2020-01-05 16:15:03 +01:00
gus_irq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
gus_main.c ALSA: gus: Fix repeated probes of snd_gus_create() 2021-09-07 11:40:07 +02:00
gus_mem.c ALSA: gus: Fix assignment in if condition 2021-06-09 17:29:39 +02:00
gus_mem_proc.c ALSA: info: Make snd_info_entry_ops as const 2020-01-03 09:24:18 +01:00
gus_mixer.c ALSA: gus: Fix assignment in if condition 2021-06-09 17:29:39 +02:00
gus_pcm.c ALSA: gus: Fix assignment in if condition 2021-06-09 17:29:39 +02:00
gus_reset.c ALSA: isa/gus: remove -Wmissing-prototypes warnings 2020-07-07 11:59:59 +02:00
gus_tables.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
gus_timer.c ALSA: Constify snd_timer_hardware definitions 2020-01-03 09:24:07 +01:00
gus_uart.c ALSA: gus: Fix assignment in if condition 2021-06-09 17:29:39 +02:00
gus_volume.c ALSA: gus: More constifications 2020-01-05 16:15:03 +01:00
gusclassic.c ALSA: gus: Allocate resources with device-managed APIs 2021-07-19 16:17:22 +02:00
gusextreme.c ALSA: gus: Allocate resources with device-managed APIs 2021-07-19 16:17:22 +02:00
gusmax.c ALSA: gus: Allocate resources with device-managed APIs 2021-07-19 16:17:22 +02:00
interwave-stb.c
…
interwave.c ALSA: gus: Fix repeated probe for ISA interwave card 2021-09-07 11:40:08 +02:00