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 --- sound/soc/davinci/davinci-mcasp.c | 4 ++++ 1 file changed, 4 insertions(+)
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;