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[4/8] pinctrl: use krealloc_array()

Message ID 20201027121725.24660-5-brgl@bgdev.pl
State Not Applicable
Delegated to: David Miller
Headers show
Series slab: provide and use krealloc_array() | expand

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Commit Message

Bartosz Golaszewski Oct. 27, 2020, 12:17 p.m. UTC 
From: Bartosz Golaszewski <bgolaszewski@baylibre.com>

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

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
 drivers/pinctrl/pinctrl-utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

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;