[alsa-devel] [PATCH] ASoC: simple-card: Add a NULL pointer check in asoc_simple_card_dai_link_of

Vishal Thanki vishalthanki at gmail.com
Tue Mar 3 14:29:00 CET 2015


Make sure devm_kzalloc() succeeds.

Signed-off-by: Vishal Thanki <vishalthanki at gmail.com>
---
 sound/soc/generic/simple-card.c |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index f7c6734..fb550b5 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -372,6 +372,11 @@ static int asoc_simple_card_dai_link_of(struct device_node *node,
 			    strlen(dai_link->cpu_dai_name)   +
 			    strlen(dai_link->codec_dai_name) + 2,
 			    GFP_KERNEL);
+	if (!name) {
+		ret = -ENOMEM;
+		goto dai_link_of_err;
+	}
+
 	sprintf(name, "%s-%s", dai_link->cpu_dai_name,
 				dai_link->codec_dai_name);
 	dai_link->name = dai_link->stream_name = name;
-- 
1.7.9.5



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