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| author |   Shen Lichuan <shenlichuan@vivo.com> | 2024-08-23 19:44:41 +0800 |
|---|---|---|
| committer |   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> | 2024-08-23 15:40:55 +0200 |
| commit | 39dbbd4e6778ac5580313ba34409855250633c61 (patch) | |
| tree | 4788023d6a420b33d646f47e539b3b4bfc6673ff | |
| parent | pinctrl: samsung: Add support for pull-up and pull-down (diff) | |
| download | wireguard-linux-39dbbd4e6778ac5580313ba34409855250633c61.tar.xz wireguard-linux-39dbbd4e6778ac5580313ba34409855250633c61.zip | |
pinctrl: samsung: Use kmemdup_array instead of kmemdup for multiple allocation
Let the kmemdup_array() take care about multiplication
and possible overflows.
Using kmemdup_array() is more appropriate and makes the code
easier to audit.
Signed-off-by: Shen Lichuan <shenlichuan@vivo.com>
Link: https://lore.kernel.org/r/20240823114441.50648-1-shenlichuan@vivo.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Diffstat (limited to '')
| -rw-r--r-- | drivers/pinctrl/samsung/pinctrl-samsung.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c index e4464ee815f9..675efa5d86a9 100644 --- a/drivers/pinctrl/samsung/pinctrl-samsung.c +++ b/drivers/pinctrl/samsung/pinctrl-samsung.c @@ -122,8 +122,8 @@ static int add_map_configs(struct device *dev, struct pinctrl_map **map, 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; |