[lvc-project] [PATCH] ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_hda_read_acpi()

[Takashi Iwai]

On Tue, 02 Dec 2025 11:13:36 +0100,
Denis Arefev wrote:
> 
> The acpi_get_first_physical_node() function can return NULL, in which
> case the get_device() function also returns NULL, but this value is
> then dereferenced without checking,so add a check to prevent a crash.
> 
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
> 
> Fixes: 7b2f3eb492da ("ALSA: hda: cs35l41: Add support for CS35L41 in HDA systems")
> Cc: stable at vger.kernel.org
> Signed-off-by: Denis Arefev <arefev at swemel.ru>

Applied now.  Thanks.


Takashi