[PATCH v1] pinctrl: nomadik: Use kmemdup_array instead of kmemdup for multiple allocation
From: Yu Jiaoliang <hidden>
Date: 2024-08-21 06:51:33
Also in:
linux-gpio, lkml
Subsystem:
arm/nomadik/ux500 architectures, pin control subsystem, the rest · Maintainers:
Linus Walleij, Linus Torvalds
Let the kememdup_array() take care about multiplication and possible overflows. Signed-off-by: Yu Jiaoliang <redacted> --- drivers/pinctrl/nomadik/pinctrl-abx500.c | 4 ++-- drivers/pinctrl/nomadik/pinctrl-nomadik.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/pinctrl/nomadik/pinctrl-abx500.c b/drivers/pinctrl/nomadik/pinctrl-abx500.c
index 47f62c89955a..586ed303916e 100644
--- a/drivers/pinctrl/nomadik/pinctrl-abx500.c
+++ b/drivers/pinctrl/nomadik/pinctrl-abx500.c@@ -716,8 +716,8 @@ static int abx500_dt_add_map_configs(struct pinctrl_map **map, if (*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;
diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik.c b/drivers/pinctrl/nomadik/pinctrl-nomadik.c
index fa78d5ecc685..800eba550cfd 100644
--- a/drivers/pinctrl/nomadik/pinctrl-nomadik.c
+++ b/drivers/pinctrl/nomadik/pinctrl-nomadik.c@@ -601,8 +601,8 @@ static int nmk_dt_add_map_configs(struct pinctrl_map **map, if (*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;
--
2.34.1