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

Bartosz Golaszewski
2020-11-02T15:21:38Z

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>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
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