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ASoC: rt5663: check the return value of devm_kzalloc() in rt5663_pars…
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…e_dp()

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

Fixes: 457c25e ("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>
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Jia-Ju Bai authored and Mark Brown committed Feb 25, 2022
1 parent c8775fb commit 4d06f92
Showing 1 changed file with 2 additions and 0 deletions.
2 changes: 2 additions & 0 deletions sound/soc/codecs/rt5663.c
Original file line number Diff line number Diff line change
Expand Up @@ -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);
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