Subject: [PATCH v2 4/8] pinctrl: use krealloc_array()

From: Bartosz Golaszewski <[email-masked]>
Date: Mon, 2 Nov 2020 16:20:33 +0100

From: Bartosz Golaszewski <[email-masked]>

Use the helper that checks for overflows internally instead of manually
calculating the size of the new array.

Signed-off-by: Bartosz Golaszewski <[email-masked]>
Reviewed-by: Andy Shevchenko <[email-masked]>
---
 drivers/pinctrl/pinctrl-utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/pinctrl-utils.c b/drivers/pinctrl/pinctrl-utils.c
index f2bcbf62c03d..93df0d4c0a24 100644
--- a/drivers/pinctrl/pinctrl-utils.c
+++ b/drivers/pinctrl/pinctrl-utils.c
@@ -39,7 +39,7 @@ int pinctrl_utils_reserve_map(struct pinctrl_dev *pctldev,
 	if (old_num >= new_num)
 		return 0;
 
-	new_map = krealloc(*map, sizeof(*new_map) * new_num, GFP_KERNEL);
+	new_map = krealloc_array(*map, new_num, sizeof(*new_map), GFP_KERNEL);
 	if (!new_map) {
 		dev_err(pctldev->dev, "krealloc(map) failed\n");
 		return -ENOMEM;
-- 
2.29.1