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authorThorsten Blum <thorsten.blum@linux.dev>2025-06-10 12:32:16 +0200
committerMark Brown <broonie@kernel.org>2025-06-10 12:46:16 +0100
commit6325766d69900d1aa9733fc7572456fc4427b708 (patch)
tree10052b08c0fd02a261d6c281f3c0cf8c1379f26c
parenta4e469c1e2e0ec7f08fff9ed29f5500f187ba9f2 (diff)
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: 4f8ef33dd44a ("ASoC: soc_sdw_utils: skip the endpoint that doesn't present") Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev> Link: https://patch.msgid.link/20250610103225.1475-2-thorsten.blum@linux.dev Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r--sound/soc/sdw_utils/soc_sdw_utils.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/soc/sdw_utils/soc_sdw_utils.c b/sound/soc/sdw_utils/soc_sdw_utils.c
index b7060b746356..d75e7292240b 100644
--- a/sound/soc/sdw_utils/soc_sdw_utils.c
+++ b/sound/soc/sdw_utils/soc_sdw_utils.c
@@ -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];