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authorChristophe Jaillet <christophe.jaillet@wanadoo.fr>2017-08-27 08:46:50 +0200
committerMark Brown <broonie@kernel.org>2017-08-27 13:30:29 +0100
commit4243e0457c9b1fe5e96fba19296469466eb24b1d (patch)
treee2a26df104b95fe6c3184084c294cafda4e69322
parentdc09233908cf47339f5000dc54574685e917af77 (diff)
ASoC: davinci-mcasp: check memory allocation failure
Check memory allocation failures and return -ENOMEM in such cases, as already done above for another memory allocation. This avoids NULL pointers dereference. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r--sound/soc/davinci/davinci-mcasp.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index d486908d4e0e..f395bbc7c354 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -1851,6 +1851,10 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
mcasp->context.xrsr_regs = devm_kzalloc(&pdev->dev,
sizeof(u32) * mcasp->num_serializer,
GFP_KERNEL);
+ if (!mcasp->context.xrsr_regs) {
+ ret = -ENOMEM;
+ goto err;
+ }
#endif
mcasp->serial_dir = pdata->serial_dir;
mcasp->version = pdata->version;