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

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

Cc: stable@vger.kernel.org
Fixes: 4f8ef33dd4 ("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>
This commit is contained in:
Thorsten Blum 2025-06-10 12:32:16 +02:00 committed by Mark Brown
parent a4e469c1e2
commit 6325766d69
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1 changed files with 2 additions and 0 deletions
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2
sound/soc/sdw_utils/soc_sdw_utils.c
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@ -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];