diff options
| author | Henry Martin <bsdhenrymartin@gmail.com> | 2025-04-01 22:25:10 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2025-04-01 17:01:10 +0100 |
| commit | 93d34608fd162f725172e780b1c60cc93a920719 (patch) | |
| tree | ec2a06b90e4bf39ee17d9b2648924a352e6deeb6 /sound | |
| parent | cc80b44b69fde7806f01739e47b965a149c13492 (diff) | |
ASoC: imx-card: Add NULL check in imx_card_probe()
devm_kasprintf() returns NULL when memory allocation fails. Currently,
imx_card_probe() does not check for this case, which results in a NULL
pointer dereference.
Add NULL check after devm_kasprintf() to prevent this issue.
Fixes: aa736700f42f ("ASoC: imx-card: Add imx-card machine driver")
Signed-off-by: Henry Martin <bsdhenrymartin@gmail.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20250401142510.29900-1-bsdhenrymartin@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/fsl/imx-card.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/fsl/imx-card.c b/sound/soc/fsl/imx-card.c index 905294682996..3686d468506b 100644 --- a/sound/soc/fsl/imx-card.c +++ b/sound/soc/fsl/imx-card.c @@ -772,6 +772,8 @@ static int imx_card_probe(struct platform_device *pdev) data->dapm_routes[i].sink = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%d %s", i + 1, "Playback"); + if (!data->dapm_routes[i].sink) + return -ENOMEM; data->dapm_routes[i].source = "CPU-Playback"; } } @@ -789,6 +791,8 @@ static int imx_card_probe(struct platform_device *pdev) data->dapm_routes[i].source = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%d %s", i + 1, "Capture"); + if (!data->dapm_routes[i].source) + return -ENOMEM; data->dapm_routes[i].sink = "CPU-Capture"; } } |