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Takashi Iwai 6ef6f03ffe ALSA: usb-audio: Add error checks for usb_driver_claim_interface() calls 
[ Upstream commit 5fb45414ae03421255593fd5556aa2d1d82303aa ]

There are a few calls of usb_driver_claim_interface() but all of those
miss the proper error checks, as reported by Coverity.  This patch
adds those missing checks.

Along with it, replace the magic pointer with -1 with a constant
USB_AUDIO_IFACE_UNUSED for better readability.

Reported-by: coverity-bot <keescook+coverity-bot@chromium.org>
Addresses-Coverity-ID: 1475943 ("Error handling issues")
Addresses-Coverity-ID: 1475944 ("Error handling issues")
Addresses-Coverity-ID: 1475945 ("Error handling issues")
Fixes: b1ce7ba619d9 ("ALSA: usb-audio: claim autodetected PCM interfaces all at once")
Fixes: e5779998bf8b ("ALSA: usb-audio: refactor code")
Link: https://lore.kernel.org/r/202104051059.FB7F3016@keescook
Link: https://lore.kernel.org/r/20210406113534.30455-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-05-22 10:40:26 +02:00
..
aoa
ALSA: aoa: onyx: always initialize register read value
2020-01-29 10:24:29 +01:00
arm
ALSA: arm: Fix empty menuconfig SND_ARM
2016-08-01 16:07:53 +02:00
atmel
…
core
ALSA: core: remove redundant spin_lock pair in snd_card_disconnect
2021-05-22 10:40:26 +02:00
drivers
ALSA: aloop: Fix initialization of controls
2021-04-16 11:59:05 +02:00
firewire
ALSA: bebob: potential info leak in hwdep_read()
2020-10-29 09:05:31 +01:00
hda
ALSA: hda: prevent undefined shift in snd_hdac_ext_bus_get_link()
2020-11-18 18:26:24 +01:00
i2c
ALSA: i2c/cs8427: Fix int to char conversion
2019-11-28 18:28:29 +01:00
isa
ALSA: sb: Fix two use after free in snd_sb_qsound_build
2021-05-22 10:40:18 +02:00
mips
ALSA: Remove deprecated AU1X00 AC97 driver
2016-02-08 08:17:15 +01:00
oss
sound: oss: Use kernel_read_file_from_path() for mod_firmware_load()
2016-07-26 10:38:03 +02:00
parisc
…
pci
ALSA: hda/realtek: Remove redundant entry for ALC861 Haier/Uniwill devices
2021-05-22 10:40:22 +02:00
pcmcia
ALSA: vxpocket: Fix invalid endian conversions
2018-08-22 07:47:14 +02:00
ppc
powerpc updates for 4.9
2016-10-07 20:19:31 -07:00
sh
ALSA: sh: Fix compile warning wrt const
2020-02-28 15:42:29 +01:00
soc
ASoC: fsl_esai: Fix TDM slot setup for I2S mode
2021-04-28 12:07:15 +02:00
sparc
ALSA: sparc: Fix invalid snd_free_pages() at error path
2018-12-05 19:42:40 +01:00
spi
ALSA: at73c213: manage SSC clock
2016-01-20 09:59:27 +01:00
synth
ALSA: emux: Fix potential Spectre v1 vulnerabilities
2019-01-09 16:16:42 +01:00
usb
ALSA: usb-audio: Add error checks for usb_driver_claim_interface() calls
2021-05-22 10:40:26 +02:00
ac97_bus.c
…
Kconfig
…
last.c
…
Makefile
sound: oss: Use kernel_read_file_from_path() for mod_firmware_load()
2016-07-26 10:38:03 +02:00
sound_core.c
sound: fix a memory leak bug
2019-08-25 10:51:18 +02:00