TWxSoftware/twx-linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ASoC: imx-card: Add NULL check in imx_card_probe()

Browse Source 
[ Upstream commit 93d34608fd ]

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: aa736700f4 ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Henry Martin
2025-04-01 22:25:10 +08:00
committed by Greg Kroah-Hartman
parent a3800b64f8
commit 4d8458e48f
1 changed files with 4 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
sound/soc/fsl/imx-card.c
+4
View File
@@ -738,6 +738,8 @@ 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";
}
}
@@ -755,6 +757,8 @@ 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";
}
}