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

[Rajan Vaja]

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

Signed-off-by: Rajan Vaja <rajan.vaja at 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 */
-- 
1.7.9.5