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authorCharles Han <hanchunchao@inspur.com>2025-09-05 12:18:44 +0300
committerMark Brown <broonie@kernel.org>2025-09-05 13:57:51 +0300
commitbe585f7ebc99598edf97c3001d0f8d67954ab376 (patch)
tree957901fe666dc0c2d14113e91dbc0f12d55ec418
parent554f6006c3c050026a0a505dfedfe03407e267e1 (diff)
downloadlinux-be585f7ebc99598edf97c3001d0f8d67954ab376.tar.xz
ASoC: codecs: fs210x: Add NULL check in fs210x_register_snd_component
Add check for the return value of devm_kmemdup() to prevent potential null pointer dereference. Fixes: 756117701779 ("ASoC: codecs: Add FourSemi FS2104/5S audio amplifier driver") Signed-off-by: Charles Han <hanchunchao@inspur.com> Message-ID: <20250905091845.1559-1-hanchunchao@inspur.com> Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r--sound/soc/codecs/fs210x.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/soc/codecs/fs210x.c b/sound/soc/codecs/fs210x.c
index b4f51ee7235a..e2f85714972d 100644
--- a/sound/soc/codecs/fs210x.c
+++ b/sound/soc/codecs/fs210x.c
@@ -1458,6 +1458,9 @@ static int fs210x_register_snd_component(struct fs210x_priv *fs210x)
dai_drv->name = devm_kasprintf(fs210x->dev,
GFP_KERNEL, "%s-%d",
dai_drv->name, instance_id);
+ if (!dai_drv->name)
+ return -ENOMEM;
+
instance_id++;
if (fs210x->devid == FS2105S_DEVICE_ID) {