ALSA: hda: cs35l41: Put ACPI device on missing physical node

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acpi_dev_get_first_match_dev() returns a refcounted ACPI device and
callers must balance it with acpi_dev_put().

cs35l41_hda_read_acpi() stores the returned ACPI device in
cs35l41->dacpi. That reference is normally released by the later
probe cleanup or the remove path, but the NULL-check on
physdev exits before either of those paths can run.

Drop the lookup reference before returning -ENODEV.

Fixes: c34b04cc61 ("ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_hda_read_acpi()")
Signed-off-by: Shuhao Fu <sfual@cse.ust.hk>
Tested-by: Simon Trimmer <simont@opensource.cirrus.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20260428081238.GA1659932@chcpu16

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Shuhao Fu 2026-04-28 16:12:38 +08:00 • committed by Takashi Iwai

parent aa2fbece1b

commit fca7401fe3

1 changed files with 3 additions and 1 deletions

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sound/hda/codecs/side-codecs/cs35l41_hda.c

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