lkml.org 
[lkml]   [2022]   [Feb]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] ALSA: rt5663: check the return value of devm_kzalloc() in rt5663_parse_dp()
Date
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>
---
sound/soc/codecs/rt5663.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/sound/soc/codecs/rt5663.c b/sound/soc/codecs/rt5663.c
index 2138f62e6af5..3a8fba101b20 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);
--
2.17.1
\
 
 \ /
  Last update: 2022-02-25 14:12    [W:0.041 / U:1.136 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site