[PATCH v2 2/3] ASoC: fsl-asoc-card: Handle return value of devm_kasprintf

From: Arvind Yadav
Date: Thu Sep 21 2017 - 01:21:07 EST


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

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
changes in v2:
Set return 'ret' to -ENOMEM.

sound/soc/fsl/fsl-asoc-card.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c
index 2db4d0c..a389885 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;
--
1.9.1