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Dan Carpenter 71e60c1701 ASoC: max9759: fix underflow in speaker_gain_control_put() 
commit 4c907bcd9dcd233da6707059d777ab389dcbd964 upstream.

Check for negative values of "priv->gain" to prevent an out of bounds
access.  The concern is that these might come from the user via:
  -> snd_ctl_elem_write_user()
    -> snd_ctl_elem_write()
      -> kctl->put()

Fixes: fa8d915172b8 ("ASoC: max9759: Add Amplifier Driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20220119123101.GA9509@kili
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:24:33 +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: seq: Set upper limit of processed events
2022-01-27 09:19:48 +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/realtek: Fix silent output on Gigabyte X570 Aorus Xtreme after reboot from Windows
2022-02-08 18:24:27 +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: max9759: fix underflow in speaker_gain_control_put()
2022-02-08 18:24:33 +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: Simplify quirk entries with a macro
2022-02-08 18:24:27 +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
ac97_bus.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
Kconfig
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
last.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
Makefile
…
sound_core.c
sound: fix a memory leak bug
2019-08-08 08:18:32 +02:00