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Subject[PATCH] sound: rt5645: fix a NULL pointer dereference
Date
devm_kcalloc() may fail and return NULL. The fix returns ENOMEM
in case it fails to avoid NULL pointer dereference.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
---
sound/soc/codecs/rt5645.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 9a0751978090..f842775dbf2c 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -3419,6 +3419,9 @@ static int rt5645_probe(struct snd_soc_component *component)
RT5645_HWEQ_NUM, sizeof(struct rt5645_eq_param_s),
GFP_KERNEL);

+ if (!rt5645->eq_param)
+ return -ENOMEM;
+
return 0;
}

--
2.17.1
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