From be585f7ebc99598edf97c3001d0f8d67954ab376 Mon Sep 17 00:00:00 2001 From: Charles Han Date: Fri, 5 Sep 2025 17:18:44 +0800 Subject: [PATCH] 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 Message-ID: <20250905091845.1559-1-hanchunchao@inspur.com> Signed-off-by: Mark Brown --- sound/soc/codecs/fs210x.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/soc/codecs/fs210x.c b/sound/soc/codecs/fs210x.c index b4f51ee7235ab..e2f85714972d5 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) { -- 2.47.3