Messages in this thread Patch in this message |  | | From | Julia Lawall <> | Subject | [PATCH 1/4] ASoC: imx-pcm-dma: add NULL test | Date | Sun, 20 Dec 2015 12:15:50 +0100 |
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Add NULL test on call to devm_kzalloc.
The semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/)
// <smpl> @@ expression x; @@
* x = devm_kzalloc(...); ... when != x == NULL *x // </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
--- sound/soc/fsl/imx-pcm-dma.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/sound/soc/fsl/imx-pcm-dma.c b/sound/soc/fsl/imx-pcm-dma.c index 1fc01ed..f3d3d1f 100644 --- a/sound/soc/fsl/imx-pcm-dma.c +++ b/sound/soc/fsl/imx-pcm-dma.c @@ -62,6 +62,8 @@ int imx_pcm_dma_init(struct platform_device *pdev, size_t size) config = devm_kzalloc(&pdev->dev, sizeof(struct snd_dmaengine_pcm_config), GFP_KERNEL); + if (!config) + return -ENOMEM; *config = imx_dmaengine_pcm_config; if (size) config->prealloc_buffer_size = size;
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