[PATCH v2] pinctrl: freescale: imx-scmi: Use kmemdup_array instead of kmemdup for multiple allocation
From: Shen Lichuan <hidden>
Date: 2024-08-23 10:55:08
Also in:
imx, linux-gpio, lkml
Subsystem:
pin control subsystem, pin controller - freescale, the rest · Maintainers:
Linus Walleij, Dong Aisheng, Fabio Estevam, Frank Li, Jacky Bai, Linus Torvalds
Let the kmemdup_array() take care about multiplication and possible overflows. Signed-off-by: Shen Lichuan <redacted> Reviewed-by: Peng Fan <peng.fan@nxp.com> --- V1->V2: Change subject prefix to "pinctrl: freescale: imx-scmi:" --- drivers/pinctrl/freescale/pinctrl-imx-scmi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pinctrl/freescale/pinctrl-imx-scmi.c b/drivers/pinctrl/freescale/pinctrl-imx-scmi.c
index 2991047535bc..8f15c4c4dc44 100644
--- a/drivers/pinctrl/freescale/pinctrl-imx-scmi.c
+++ b/drivers/pinctrl/freescale/pinctrl-imx-scmi.c@@ -130,7 +130,7 @@ static int pinctrl_scmi_imx_dt_node_to_map(struct pinctrl_dev *pctldev, cfg[j++] = pinconf_to_config_packed(IMX_SCMI_PIN_DAISY_CFG, input_val); } - configs = kmemdup(cfg, ncfg * sizeof(unsigned long), GFP_KERNEL); + configs = kmemdup_array(cfg, ncfg, sizeof(unsigned long), GFP_KERNEL); new_map[i].type = PIN_MAP_TYPE_CONFIGS_PIN; new_map[i].data.configs.group_or_pin = pin_get_name(pctldev, pin_id);
--
2.17.1