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Date: Fri, 14 Apr 2017 11:20:55 +0200 From: SF Markus Elfring <elfring@...rs.sourceforge.net> To: linux-gpio@...r.kernel.org, Arnd Bergmann <arnd@...db.de>, Gary Bisson <gary.bisson@...ndarydevices.com>, Laxman Dewangan <ldewangan@...dia.com>, Linus Walleij <linus.walleij@...aro.org>, Paul Gortmaker <paul.gortmaker@...driver.com>, Peng Fan <van.freenix@...il.com>, Shawn Guo <shawnguo@...nel.org>, Vladimir Zapolskiy <vladimir_zapolskiy@...tor.com> Cc: LKML <linux-kernel@...r.kernel.org>, kernel-janitors@...r.kernel.org Subject: [PATCH 08/10] pinctrl: imx1-core: Use kmalloc_array() in imx_dt_node_to_map() From: Markus Elfring <elfring@...rs.sourceforge.net> Date: Thu, 13 Apr 2017 16:10:33 +0200 * 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 <elfring@...rs.sourceforge.net> --- drivers/pinctrl/freescale/pinctrl-imx1-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pinctrl/freescale/pinctrl-imx1-core.c b/drivers/pinctrl/freescale/pinctrl-imx1-core.c index a4e9f430d452..5a0d221ed09d 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx1-core.c +++ b/drivers/pinctrl/freescale/pinctrl-imx1-core.c @@ -246,7 +246,7 @@ static int imx1_dt_node_to_map(struct pinctrl_dev *pctldev, for (i = 0; i < grp->npins; i++) map_num++; - new_map = kmalloc(sizeof(struct pinctrl_map) * map_num, GFP_KERNEL); + new_map = kmalloc_array(map_num, sizeof(*new_map), GFP_KERNEL); if (!new_map) return -ENOMEM; -- 2.12.2
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