kevin/linux
1
Fork 0
Code

pinctrl: nomadik: Use kmemdup_array instead of kmemdup for multiple allocation

Browse Source 
Let the kememdup_array() take care about multiplication and possible
overflows.

Signed-off-by: Yu Jiaoliang <yujiaoliang@vivo.com>
Link: https://lore.kernel.org/20240826074037.2313468-1-yujiaoliang@vivo.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Yu Jiaoliang 2024-08-26 15:40:37 +08:00 committed by Linus Walleij
parent cd77b0dd6f
commit a9c470d22d
2 changed files with 2 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/pinctrl/nomadik/pinctrl-abx500.c
View File

@ -716,8 +716,7 @@ static int abx500_dt_add_map_configs(struct pinctrl_map **map,
if (*num_maps == *reserved_maps)
return -ENOSPC;
dup_configs = kmemdup(configs, num_configs * sizeof(*dup_configs),
GFP_KERNEL);
dup_configs = kmemdup_array(configs, num_configs, sizeof(*dup_configs), GFP_KERNEL);
if (!dup_configs)
return -ENOMEM;

3
drivers/pinctrl/nomadik/pinctrl-nomadik.c
View File

@ -601,8 +601,7 @@ static int nmk_dt_add_map_configs(struct pinctrl_map **map,
if (*num_maps == *reserved_maps)
return -ENOSPC;
dup_configs = kmemdup(configs, num_configs * sizeof(*dup_configs),
GFP_KERNEL);
dup_configs = kmemdup_array(configs, num_configs, sizeof(*dup_configs), GFP_KERNEL);
if (!dup_configs)
return -ENOMEM;