Unverified Commit 6325766d authored by Thorsten Blum's avatar Thorsten Blum Committed by Mark Brown
Browse files

ASoC: sdw_utils: Fix potential NULL pointer deref in is_sdca_endpoint_present() 



Check the return value of kzalloc() and exit early to avoid a potential
NULL pointer dereference.

Cc: stable@vger.kernel.org
Fixes: 4f8ef33d ("ASoC: soc_sdw_utils: skip the endpoint that doesn't present")
Signed-off-by: default avatarThorsten Blum <thorsten.blum@linux.dev>
Link: https://patch.msgid.link/20250610103225.1475-2-thorsten.blum@linux.dev


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent a4e469c1

sound/soc/sdw_utils/soc_sdw_utils.c

+2 −0
Original line number Diff line number Diff line
@@ -1205,6 +1205,8 @@ static int is_sdca_endpoint_present(struct device *dev, 
	int i;



	dlc = kzalloc(sizeof(*dlc), GFP_KERNEL);

	if (!dlc)

		return -ENOMEM;



	adr_end = &adr_dev->endpoints[end_index];

	dai_info = &codec_info->dais[adr_end->num];