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authorJia-Ju Bai <baijiaju1990@gmail.com>2022-02-25 05:10:30 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-04-08 14:40:08 +0200
commit94cb9fe5d86ed7e7e2f4e56dbb5aebe8cf7c7b0e (patch)
tree63aaab1179dbbaf07a6fd8f77d1008c7b02da928 /sound
parent7ce3e6e1036e98eb3712b29433784061cfa0bbff (diff)
ASoC: rt5663: check the return value of devm_kzalloc() in rt5663_parse_dp()
[ Upstream commit 4d06f92f38b799295ae22c98be7a20cac3e2a1a7 ] The function devm_kzalloc() in rt5663_parse_dp() can fail, so its return value should be checked. Fixes: 457c25efc592 ("ASoC: rt5663: Add the function of impedance sensing") Reported-by: TOTE Robot <oslab@tsinghua.edu.cn> Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Link: https://lore.kernel.org/r/20220225131030.27248-1-baijiaju1990@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/rt5663.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5663.c b/sound/soc/codecs/rt5663.c
index db8a41aaa385..4423e61bf1ab 100644
--- a/sound/soc/codecs/rt5663.c
+++ b/sound/soc/codecs/rt5663.c
@@ -3478,6 +3478,8 @@ static int rt5663_parse_dp(struct rt5663_priv *rt5663, struct device *dev)
table_size = sizeof(struct impedance_mapping_table) *
rt5663->pdata.impedance_sensing_num;
rt5663->imp_table = devm_kzalloc(dev, table_size, GFP_KERNEL);
+ if (!rt5663->imp_table)
+ return -ENOMEM;
ret = device_property_read_u32_array(dev,
"realtek,impedance_sensing_table",
(u32 *)rt5663->imp_table, table_size);