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pinctrl: renesas: Switch to use kmemdup_array()

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Let kmemdup_array() take care of multiplication and possible overflow.

Signed-off-by: Shen Lichuan <shenlichuan@vivo.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20240822061438.14617-1-shenlichuan@vivo.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Shen Lichuan 2024-08-22 14:14:38 +08:00 committed by Geert Uytterhoeven
parent f73f63b244
commit 5e633f572b
3 changed files with 3 additions and 6 deletions
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3
drivers/pinctrl/renesas/pinctrl-rzg2l.c
View File

@ -528,8 +528,7 @@ static int rzg2l_map_add_config(struct pinctrl_map *map,
{
unsigned long *cfgs;
cfgs = kmemdup(configs, num_configs * sizeof(*cfgs),
GFP_KERNEL);
cfgs = kmemdup_array(configs, num_configs, sizeof(*cfgs), GFP_KERNEL);
if (!cfgs)
return -ENOMEM;

3
drivers/pinctrl/renesas/pinctrl-rzv2m.c
View File

@ -196,8 +196,7 @@ static int rzv2m_map_add_config(struct pinctrl_map *map,
{
unsigned long *cfgs;
cfgs = kmemdup(configs, num_configs * sizeof(*cfgs),
GFP_KERNEL);
cfgs = kmemdup_array(configs, num_configs, sizeof(*cfgs), GFP_KERNEL);
if (!cfgs)
return -ENOMEM;

3
drivers/pinctrl/renesas/pinctrl.c
View File

@ -83,8 +83,7 @@ static int sh_pfc_map_add_config(struct pinctrl_map *map,
{
unsigned long *cfgs;
cfgs = kmemdup(configs, num_configs * sizeof(*cfgs),
GFP_KERNEL);
cfgs = kmemdup_array(configs, num_configs, sizeof(*cfgs), GFP_KERNEL);
if (cfgs == NULL)
return -ENOMEM;