ASoC: simple-card: Add a NULL pointer check in asoc_simple_card_dai_link_of

Make sure devm_kzalloc() succeeds.

Signed-off-by: Vishal Thanki <vishalthanki@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index f7c6734bd5daee1dafd76ba8b6feafa05b2a6c52..fb550b5869d21f73307d36d2edc88ebcffa61f0c 100644 (file)
--- 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;