From: Arvind Yadav <arvind.yadav.cs@gmail.com>
Date: Thu, 21 Sep 2017 05:20:03 +0000 (+0530)
Subject: ASoC: fsl-asoc-card: Handle return value of devm_kasprintf
X-Git-Tag: v4.15-rc1~118^2~1^2~6^5
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7add71b623a2b2abc2e0947a21fb31e2c8f71e18;p=thirdparty%2Fkernel%2Flinux.git

ASoC: fsl-asoc-card: Handle return value of devm_kasprintf

devm_kasprintf() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c
index 3772abbdd7b74..1225e0399de81 100644
--- a/sound/soc/fsl/fsl-asoc-card.c
+++ b/sound/soc/fsl/fsl-asoc-card.c
@@ -639,6 +639,10 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)
 				devm_kasprintf(&pdev->dev, GFP_KERNEL,
 					       "ac97-codec.%u",
 					       (unsigned int)idx);
+		if (!priv->dai_link[0].codec_name) {
+			ret = -ENOMEM;
+			goto asrc_fail;
+		}
 	}
 
 	priv->dai_link[0].platform_of_node = cpu_np;