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mirror-linux/sound/usb
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Takashi Iwai a1ed2ec1c5 ALSA: usb-audio: Fix missing error handling for get_min_max*() 
The recent fix to add the error return value check from get_min_max*()
missed one case in build_audio_procunit() where no error value is set.
This may lead to an uninitialized variable and confuse the caller
(although this wouldn't happen practically because err is set for the
loop of num_ins at the beginning of the funciton).

Fix it by setting "err = 0" properly at the missing case, too.

Fixes: 4f55a85cd4 ("ALSA: usb-audio: Add error checks against get_min_max*()")
Reported-by: Dan Carpenter <error27@gmail.com>
Closes: https://lore.kernel.org/ad36dGpCBTGsyFr_@stanley.mountain
Link: https://patch.msgid.link/20260414093336.305464-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
 		2026-04-14 12:30:51 +02:00
..
6fire ALSA: 6fire: fix use-after-free on disconnect 2026-04-10 14:59:47 +02:00
bcd2000 ALSA: bcd2000: Use guard() for mutex locks 2025-09-01 13:54:06 +02:00
caiaq ALSA: caiaq: take a reference on the USB device in create_card() 2026-04-13 07:33:15 +02:00
hiface Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
line6 Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
misc Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
qcom ASoC: Updates for v7.1 2026-04-13 18:09:48 +02:00
usx2y ALSA: usx2y: us144mkii: fix NULL deref on missing interface 0 2026-04-10 14:58:03 +02:00
Kconfig ALSA:usb:qcom: add AUXILIARY_BUS to Kconfig dependencies 2026-03-18 12:36:39 +01:00
Makefile ALSA: usb-audio: qcom: Introduce QC USB SND offloading support 2025-04-11 13:02:32 +02:00
card.c ALSA: usb-audio: validate full match when resolving quirk aliases 2026-03-18 17:02:37 +01:00
card.h ALSA: usb-audio: Optimize the copy of packet sizes for implicit fb handling 2026-02-16 15:13:35 +01:00
clock.c ALSA: usb-audio: Fix out of bounds reads when finding clock sources 2024-11-25 15:48:22 +01:00
clock.h ALSA: usb-audio: Constify audioformat pointer references 2020-11-23 15:15:36 +01:00
endpoint.c ALSA: usb-audio: Evaluate packsize caps at the right place 2026-04-10 16:34:06 +02:00
endpoint.h ALSA: usb-audio: Remove unused function declaration 2023-08-01 16:56:57 +02:00
fcp.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
fcp.h ALSA: FCP: Add Focusrite Control Protocol driver 2025-01-18 12:00:38 +01:00
format.c ALSA: usb-audio: add Studio 1824 support 2026-03-09 13:00:57 +01:00
format.h
…
helper.c ALSA: usb-audio: Export USB SND APIs for modules 2025-04-11 13:02:30 +02:00
helper.h ALSA: usb-audio: Support multiple control interfaces 2024-08-12 16:17:46 +02:00
implicit.c ALSA: usb-audio: Add implicit feedback quirk for RODE AI-1 2025-06-02 16:50:04 +02:00
implicit.h ALSA: usb-audio: Add new quirk FIXED_RATE for JBL Quantum810 Wireless 2022-12-22 09:13:54 +01:00
media.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
media.h
…
midi.c ALSA: usb-audio: rotate standard MIDI output port scan 2026-03-27 14:40:24 +01:00
midi.h ALSA: usb-audio: Manage number of rawmidis globally 2023-05-23 12:11:00 +02:00
midi2.c ALSA: usb-audio: Use strings in struct usb_dev for manufacturer & co 2026-03-05 15:53:13 +01:00
midi2.h ALSA: usb-audio: USB MIDI 2.0 UMP support 2023-05-23 12:11:02 +02:00
mixer.c ALSA: usb-audio: Fix missing error handling for get_min_max*() 2026-04-14 12:30:51 +02:00
mixer.h ALSA: usb-audio: Extend max number of channels to 64 2026-03-27 16:32:19 +01:00
mixer_maps.c ALSA: usb-audio: Rename ALSA kcontrol PCM and PCM1 for the KTMicro sound card 2025-06-13 10:18:10 +02:00
mixer_quirks.c ALSA: usb-audio: add Studio 1824 support 2026-03-09 13:00:57 +01:00
mixer_quirks.h ALSA: usb-audio: Drop CONFIG_PM ifdefs 2021-12-06 10:19:40 +01:00
mixer_s1810c.c ALSA: usb-audio: add Studio 1824 support 2026-03-09 13:00:57 +01:00
mixer_s1810c.h
…
mixer_scarlett.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
mixer_scarlett.h ALSA: usb-audio: add mixer support for Focusrite Forte 2026-01-27 09:58:50 +01:00
mixer_scarlett2.c ALSA: scarlett2: Add missing sentinel initializer field 2026-04-06 10:44:15 +02:00
mixer_scarlett2.h ALSA: scarlett2: Rename scarlett_gen2 to scarlett2 2023-10-27 11:22:59 +02:00
mixer_us16x08.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
mixer_us16x08.h
…
pcm.c ALSA: usb-audio: Use the right limit for PCM OOB check 2026-01-21 09:22:12 +01:00
pcm.h ALSA: usb-audio: Export USB SND APIs for modules 2025-04-11 13:02:30 +02:00
power.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
power.h ALSA: usb-audio: Support multiple control interfaces 2024-08-12 16:17:46 +02:00
proc.c ALSA: usb-audio: Replace manual mutex/spinlock with guard() 2025-08-12 08:36:17 +02:00
proc.h
…
quirks-table.h ALSA: usb-audio: Add quirk for PreSonus AudioBox USB 2026-04-10 17:05:47 +02:00
quirks.c ALSA: usb-audio: Exclude Scarlett 18i20 1st Gen from SKIP_IFACE_SETUP 2026-04-13 20:17:14 +02:00
quirks.h ALSA: usb-audio: improve module param quirk_flags 2025-09-28 08:35:29 +02:00
stream.c ALSA: usb-audio: map UAC3 front wide channels in convert_chmap_v3() 2026-03-12 07:36:18 +01:00
stream.h
…
usbaudio.h ALSA: usb-audio: Add QUIRK_FLAG_MIXER_{PLAYBACK,CAPTURE}_LINEAR_VOL 2026-03-04 12:05:57 +01:00
validate.c ALSA: usb-audio: Use correct version for UAC3 header validation 2026-02-26 07:37:29 +01:00