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Subject[PATCH 4/4] ASoC: Intel: add NULL test
Date
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;
identifier fld;
@@

* x = devm_kzalloc(...);
... when != x == NULL
x->fld
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>

---
sound/soc/intel/baytrail/sst-baytrail-pcm.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/sound/soc/intel/baytrail/sst-baytrail-pcm.c b/sound/soc/intel/baytrail/sst-baytrail-pcm.c
index 79547be..4765ad4 100644
--- a/sound/soc/intel/baytrail/sst-baytrail-pcm.c
+++ b/sound/soc/intel/baytrail/sst-baytrail-pcm.c
@@ -377,6 +377,8 @@ static int sst_byt_pcm_probe(struct snd_soc_platform *platform)

priv_data = devm_kzalloc(platform->dev, sizeof(*priv_data),
GFP_KERNEL);
+ if (!priv_data)
+ return -ENOMEM;
priv_data->byt = plat_data->dsp;
snd_soc_platform_set_drvdata(platform, priv_data);



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