[alsa-devel] [PATCH] ASoC: mop500_ab8500: Add a NULL pointer check in mop500_ab8500_machine_init()

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

Signed-off-by: Rajan Vaja rajan.vaja@gmail.com --- sound/soc/ux500/mop500_ab8500.c | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/sound/soc/ux500/mop500_ab8500.c b/sound/soc/ux500/mop500_ab8500.c index b81a7a4c..85d810d 100644 --- a/sound/soc/ux500/mop500_ab8500.c +++ b/sound/soc/ux500/mop500_ab8500.c @@ -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 */