The name of cpu DAI maybe omitted, and then strlen() will lead
kernel panic.
Signed-off-by: Xiubo Li <li.xi...@freescale.com>
---
sound/soc/generic/simple-card.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index 3d190d0..1d87db8 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -142,6 +142,9 @@ static int asoc_simple_card_parse_of(struct device_node
*node,
if (ret < 0)
return ret;
+ if (!info->cpu_dai.name || !info->codec_dai.name)
+ return -EINVAL;
+
/* card name is created from CPU/CODEC dai name */
name = devm_kzalloc(dev,
strlen(info->cpu_dai.name) +
--
1.8.4
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