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ASoC: mop500_ab8500: Add a NULL pointer check in mop500_ab8500_machine_init()

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Avoid possible crash (NULL pointer dereference) by making
sure that dem_kzalloc() is successful.

Signed-off-by: Rajan Vaja <rajan.vaja@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Rajan Vaja 2015-05-20 10:20:54 +05:30 committed by Mark Brown
parent b787f68c36
commit 72f0095e79
1 changed files with 4 additions and 0 deletions
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sound/soc/ux500/mop500_ab8500.c
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@ -372,6 +372,10 @@ int mop500_ab8500_machine_init(struct snd_soc_pcm_runtime *rtd)
/* Create driver private-data struct */
drvdata = devm_kzalloc(dev, sizeof(struct mop500_ab8500_drvdata),
GFP_KERNEL);
if (!drvdata)
return -ENOMEM;
snd_soc_card_set_drvdata(rtd->card, drvdata);
/* Setup clocks */