ALSA: hda: hda_component: Protect shared data with a mutex

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The hda_component contains information shared from the amp drivers to
the codec that can be altered (for example as the driver unloads). Guard
the update and use of these to prevent use of stale data.

Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/20240617154105.108635-5-simont@opensource.cirrus.com

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Simon Trimmer 2024-06-17 16:41:05 +01:00 • committed by Takashi Iwai

parent 3b2a858287

commit 047b9cbbaa

2 changed files with 16 additions and 1 deletions

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13

sound/pci/hda/hda_component.c

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4

sound/pci/hda/hda_component.h

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