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linux/sound/usb
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Johan Hovold 3d543d9515 ALSA: us122l: drop redundant interface references 
Driver core holds a reference to the USB interface and its parent USB
device while the interface is bound to a driver and there is no need to
take additional references unless the structures are needed after
disconnect.

Similarly, USB core holds a reference to all interfaces in the active
configuration so there is no need for a driver to take a reference to a
sibling interface only to release it at disconnect either.

Drop the redundant references to reduce cargo culting, make it easier to
spot drivers where extra references are needed, and reduce the risk of
memory leaks when drivers fail to release them.

Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20260305111810.18688-1-johan@kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2026-03-05 14:00:55 +01:00
..
6fire Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
bcd2000 ALSA: bcd2000: Use guard() for mutex locks 2025-09-01 13:54:06 +02:00
caiaq Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
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 ALSA: usb: qcom: Correct parameter comment for uaudio_transfer_buffer_setup() 2026-02-26 16:51:32 +01:00
usx2y ALSA: us122l: drop redundant interface references 2026-03-05 14:00:55 +01:00
card.c ALSA: usb-audio: Fix NULL pointer deference in try_to_register_card 2025-10-15 10:17:09 +02:00
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: Use inclusive terms 2026-02-25 10:17:28 +01:00
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: Improve Focusrite sample rate filtering 2026-02-23 09:57:09 +01:00
format.h ALSA: usb: initial USB Audio Device Class 3.0 support 2018-03-21 11:46:33 +01:00
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
Kconfig ALSA: usb-audio: Add infrastructure for TASCAM US-144MKII 2025-08-15 17:53:47 +02:00
Makefile ALSA: usb-audio: qcom: Introduce QC USB SND offloading support 2025-04-11 13:02:32 +02:00
media.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
media.h media: sound/usb: Use Media Controller API to share media resources 2019-04-22 11:21:06 -04:00
midi.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
midi.h ALSA: usb-audio: Manage number of rawmidis globally 2023-05-23 12:11:00 +02:00
midi2.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
midi2.h ALSA: usb-audio: USB MIDI 2.0 UMP support 2023-05-23 12:11:02 +02:00
mixer.c Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
mixer.h ALSA: usb-audio: Add input value sanity checks for standard types 2024-08-06 18:27:08 +02:00
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 Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
mixer_quirks.h ALSA: usb-audio: Drop CONFIG_PM ifdefs 2021-12-06 10:19:40 +01:00
mixer_s1810c.c ALSA: usb-audio: Drop superfluous kernel-doc markers 2026-02-26 16:51:32 +01:00
mixer_s1810c.h ALSA: usb-audio: Add support for Presonus Studio 1810c 2020-02-15 09:46:16 +01:00
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: Fix DSP filter control array handling 2026-02-23 09:51:55 +01:00
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 ALSA: usb: Constify snd_kcontrol_new items 2020-01-03 09:24:34 +01:00
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 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
quirks-table.h ALSA: usb-audio: Add Pioneer DJ DJM-V10 support 2025-04-22 15:00:48 +02:00
quirks.c ALSA: usb-audio: Add iface reset and delay quirk for AB13X USB Audio 2026-02-28 09:27:02 +01:00
quirks.h ALSA: usb-audio: improve module param quirk_flags 2025-09-28 08:35:29 +02:00
stream.c ALSA: usb-audio: Add QUIRK_FLAG_SKIP_IFACE_SETUP 2026-02-23 09:57:10 +01:00
stream.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
usbaudio.h ALSA: usb-audio: Add QUIRK_FLAG_SKIP_IFACE_SETUP 2026-02-23 09:57:10 +01:00
validate.c ALSA: usb-audio: Use correct version for UAC3 header validation 2026-02-26 07:37:29 +01:00