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linux/sound/parisc
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Runyu Xiao 33abb7491e ALSA: harmony: initialize locks before requesting IRQ 
snd_harmony_create() registers the IRQ before initializing h->lock and
h->mixer_lock. A pending interrupt can invoke the handler while these
locks are uninitialized.

Initialize both locks before requesting the IRQ so the handler always
sees valid lock state.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Cc: stable@vger.kernel.org
Assisted-by: Codex:GPT-5
Signed-off-by: Runyu Xiao <runyu.xiao@seu.edu.cn>
Link: https://patch.msgid.link/20260830063411.2215691-1-runyu.xiao@seu.edu.cn
Signed-off-by: Takashi Iwai <tiwai@suse.de>
History 2026-08-31 10:07:23 +02:00
..
harmony.c ALSA: harmony: initialize locks before requesting IRQ 2026-08-31 10:07:23 +02:00
harmony.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile ALSA: misc: Use *-y instead of *-objs in Makefile 2024-05-08 18:18:13 +02:00