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| author | Shen Lichuan <shenlichuan@vivo.com> | 2024-08-22 09:14:38 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2024-08-23 16:46:17 +0300 |
| commit | 5e633f572bbae9397ee50347bbe0529894de4137 (patch) | |
| tree | 323ef29193f64065279e9015f1eb01b48e3b6ff0 /drivers/pinctrl | |
| parent | f73f63b24491fa43641daf3b6162d2a451bd8481 (diff) | |
| download | linux-5e633f572bbae9397ee50347bbe0529894de4137.tar.xz | |
pinctrl: renesas: Switch to use kmemdup_array()
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>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/renesas/pinctrl-rzg2l.c | 3 | ||||
| -rw-r--r-- | drivers/pinctrl/renesas/pinctrl-rzv2m.c | 3 | ||||
| -rw-r--r-- | drivers/pinctrl/renesas/pinctrl.c | 3 |
3 files changed, 3 insertions, 6 deletions
diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index 5e3d735a8570..2a73a8c374b3 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -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; diff --git a/drivers/pinctrl/renesas/pinctrl-rzv2m.c b/drivers/pinctrl/renesas/pinctrl-rzv2m.c index 0cae5472ac67..4062c56619f5 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzv2m.c +++ b/drivers/pinctrl/renesas/pinctrl-rzv2m.c @@ -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; diff --git a/drivers/pinctrl/renesas/pinctrl.c b/drivers/pinctrl/renesas/pinctrl.c index 03e9bdbc82b9..29d16c9c1bd1 100644 --- a/drivers/pinctrl/renesas/pinctrl.c +++ b/drivers/pinctrl/renesas/pinctrl.c @@ -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; |