From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx> Subject: pinctrl: use krealloc_array() Use the helper that checks for overflows internally instead of manually calculating the size of the new array. Link: https://lkml.kernel.org/r/20201109110654.12547-6-brgl@xxxxxxxx Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx> Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx> Cc: Borislav Petkov <bp@xxxxxxxxx> Cc: Borislav Petkov <bp@xxxxxxx> Cc: Christian Knig <christian.koenig@xxxxxxx> Cc: Christoph Lameter <cl@xxxxxxxxx> Cc: Daniel Vetter <daniel@xxxxxxxx> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx> Cc: David Airlie <airlied@xxxxxxxx> Cc: David Rientjes <rientjes@xxxxxxxxxx> Cc: Gustavo Padovan <gustavo@xxxxxxxxxxx> Cc: James Morse <james.morse@xxxxxxx> Cc: Jaroslav Kysela <perex@xxxxxxxx> Cc: Jason Wang <jasowang@xxxxxxxxxx> Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> Cc: Linus Walleij <linus.walleij@xxxxxxxxxx> Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx> Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> Cc: Maxime Ripard <mripard@xxxxxxxxxx> Cc: "Michael S . Tsirkin" <mst@xxxxxxxxxx> Cc: Pekka Enberg <penberg@xxxxxxxxxx> Cc: Robert Richter <rric@xxxxxxxxxx> Cc: Sumit Semwal <sumit.semwal@xxxxxxxxxx> Cc: Takashi Iwai <tiwai@xxxxxxxx> Cc: Takashi Iwai <tiwai@xxxxxxx> Cc: Thomas Zimmermann <tzimmermann@xxxxxxx> Cc: Tony Luck <tony.luck@xxxxxxxxx> Cc: Vlastimil Babka <vbabka@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/pinctrl/pinctrl-utils.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/pinctrl/pinctrl-utils.c~pinctrl-use-krealloc_array +++ a/drivers/pinctrl/pinctrl-utils.c @@ -39,7 +39,7 @@ int pinctrl_utils_reserve_map(struct pin 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; _
