From: Markus Elfring Date: Thu, 12 Jan 2017 15:00:15 +0000 (+0100) Subject: pinctrl: mvebu: Use kmalloc_array() in mvebu_pinctrl_dt_node_to_map() X-Git-Tag: v4.14-rc1~1472^2~59 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e6e965ce5608e1d34214c34483a7364600917b63;p=platform%2Fkernel%2Flinux-rpi.git pinctrl: mvebu: Use kmalloc_array() in mvebu_pinctrl_dt_node_to_map() * A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "kmalloc_array". This issue was detected by using the Coccinelle software. * Replace the specification of a data structure by a pointer dereference to make the corresponding size determination a bit safer according to the Linux coding style convention. Signed-off-by: Markus Elfring Signed-off-by: Linus Walleij --- diff --git a/drivers/pinctrl/mvebu/pinctrl-mvebu.c b/drivers/pinctrl/mvebu/pinctrl-mvebu.c index b6ec6db..c2f7457 100644 --- a/drivers/pinctrl/mvebu/pinctrl-mvebu.c +++ b/drivers/pinctrl/mvebu/pinctrl-mvebu.c @@ -398,7 +398,7 @@ static int mvebu_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev, return 0; } - *map = kmalloc(nmaps * sizeof(struct pinctrl_map), GFP_KERNEL); + *map = kmalloc_array(nmaps, sizeof(**map), GFP_KERNEL); if (*map == NULL) { dev_err(pctl->dev, "cannot allocate pinctrl_map memory for %s\n",