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ASoC: rt5663: check the return value of devm_kzalloc() in rt5663_parse_dp()

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[ Upstream commit 4d06f92f38 ]

The function devm_kzalloc() in rt5663_parse_dp() can fail, so its return
value should be checked.

Fixes: 457c25efc5 ("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>
This commit is contained in:
Jia-Ju Bai 2022-02-25 05:10:30 -08:00 committed by Greg Kroah-Hartman
parent b7dd177225
commit 750eb7d6d9
1 changed files with 2 additions and 0 deletions
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2
sound/soc/codecs/rt5663.c
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@ -3463,6 +3463,8 @@ static int rt5663_parse_dp(struct rt5663_priv *rt5663, struct device *dev)
table_size = sizeof(struct impedance_mapping_table) * table_size = sizeof(struct impedance_mapping_table) *
rt5663->pdata.impedance_sensing_num; rt5663->pdata.impedance_sensing_num;
rt5663->imp_table = devm_kzalloc(dev, table_size, GFP_KERNEL); rt5663->imp_table = devm_kzalloc(dev, table_size, GFP_KERNEL);
if (!rt5663->imp_table)
return -ENOMEM;
ret = device_property_read_u32_array(dev, ret = device_property_read_u32_array(dev,
"realtek,impedance_sensing_table", "realtek,impedance_sensing_table",
(u32 *)rt5663->imp_table, table_size); (u32 *)rt5663->imp_table, table_size);