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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>
This commit is contained in:
Christophe Jaillet 2017-08-27 08:46:50 +02:00 committed by Mark Brown
parent dc09233908
commit 4243e0457c
1 changed files with 4 additions and 0 deletions
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4
sound/soc/davinci/davinci-mcasp.c
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@ -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;