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Jiasheng Jiang 458c253b25 ASoC: samsung: idma: Check of ioremap return value 
[ Upstream commit 3ecb46755eb85456b459a1a9f952c52986bce8ec ]

Because of the potential failure of the ioremap(), the buf->area could
be NULL.
Therefore, we need to check it and return -ENOMEM in order to transfer
the error.

Fixes: f09aecd50f ("ASoC: SAMSUNG: Add I2S0 internal dma driver")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20211228034026.1659385-1-jiasheng@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2022-01-27 09:19:39 +01:00
..
ac97 ALSA: ac97: fix PM reference leak in ac97_bus_remove() 2021-07-20 16:10:42 +02:00
aoa ALSA: aoa: onyx: always initialize register read value 2019-07-29 09:21:39 +02:00
arm treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
atmel treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
core ALSA: oss: fix compile error when OSS_DEBUG is enabled 2022-01-27 09:19:38 +01:00
drivers ALSA: drivers: opl3: Fix incorrect use of vp->state 2021-12-29 12:23:36 +01:00
firewire ALSA: bebob: add support for ToneWeal FW66 2021-07-20 16:10:45 +02:00
hda ALSA: hda: hdac_stream: fix potential locking issue in snd_hdac_stream_assign() 2021-11-26 10:47:23 +01:00
i2c ALSA: i2c: ak4xxx-adda: Fix a possible null pointer dereference in build_adc_controls() 2019-07-26 14:25:37 +02:00
isa ALSA: gus: fix null pointer dereference on pointer block 2021-11-26 10:47:16 +01:00
mips treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 176 2019-05-30 11:29:19 -07:00
oss sound: dmasound_atari: Mark expected switch fall-through 2019-07-30 09:36:13 +02:00
parisc treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 176 2019-05-30 11:29:19 -07:00
pci ALSA: hda: Add missing rwsem around snd_ctl_remove() calls 2022-01-27 09:19:38 +01:00
pcmcia treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
ppc ALSA: ppc: fix error return code in snd_pmac_probe() 2021-07-20 16:10:44 +02:00
sh ALSA: sh: Fix compile warning wrt const 2020-02-24 08:36:42 +01:00
soc ASoC: samsung: idma: Check of ioremap return value 2022-01-27 09:19:39 +01:00
sparc ALSA: sparc: Mark expected switch fall-throughs 2019-07-30 09:37:01 +02:00
spi treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
synth ALSA: synth: missing check for possible NULL after the call to kstrdup 2021-11-17 09:48:19 +01:00
usb ALSA: usb-audio: Add registration quirk for JBL Quantum 400 2021-11-17 09:48:19 +01:00
x86 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 285 2019-06-05 17:36:37 +02:00
xen ASoC: Updates for v5.3 2019-07-08 14:45:34 +02:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile
…
ac97_bus.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
last.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
sound_core.c sound: fix a memory leak bug 2019-08-08 08:18:32 +02:00