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drivers/pinctrl: Switch to use kmemdup_array()

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

Signed-off-by: Shen Lichuan <shenlichuan@vivo.com>
Link: https://lore.kernel.org/20240822044156.2301-1-shenlichuan@vivo.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Shen Lichuan 2024-08-22 12:41:56 +08:00 committed by Linus Walleij
parent 0f978da67a
commit ca428f12c8
1 changed files with 2 additions and 2 deletions
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4
drivers/pinctrl/pinctrl-utils.c
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@ -70,8 +70,8 @@ int pinctrl_utils_add_map_configs(struct pinctrl_dev *pctldev,
if (WARN_ON(*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;