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Commit 4243e045 authored by Christophe Jaillet's avatar Christophe Jaillet Committed by Mark Brown
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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: default avatarChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent dc092339

sound/soc/davinci/davinci-mcasp.c

+4 −0
Original line number Diff line number Diff line
@@ -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;