From: Jia-Ju Bai Date: Fri, 25 Feb 2022 13:10:30 +0000 (-0800) Subject: ASoC: rt5663: check the return value of devm_kzalloc() in rt5663_parse_dp() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9db7423703049bef60d69df6f84a60c50b4d416a;p=linux.git 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 Signed-off-by: Jia-Ju Bai Link: https://lore.kernel.org/r/20220225131030.27248-1-baijiaju1990@gmail.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- diff --git a/sound/soc/codecs/rt5663.c b/sound/soc/codecs/rt5663.c index ee09ccd448dcd..4aba6e106ee46 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);