From: Markus Elfring Date: Fri, 16 Sep 2016 15:56:07 +0000 (+0200) Subject: ste_dma40: Use kmalloc_array() in d40_lcla_allocate() X-Git-Tag: v4.9-rc1~102^2~3^2~23 X-Git-Url: http://git.cascardo.eti.br/?a=commitdiff_plain;ds=sidebyside;h=cf80ecf7a277e7908264f822c721f93403cf518f;p=cascardo%2Flinux.git ste_dma40: Use kmalloc_array() in d40_lcla_allocate() * 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 type 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 Reviewed-by: Linus Walleij Signed-off-by: Vinod Koul --- diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 8b18e44a02d5..156199d168bf 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -3411,9 +3411,9 @@ static int __init d40_lcla_allocate(struct d40_base *base) * To full fill this hardware requirement without wasting 256 kb * we allocate pages until we get an aligned one. */ - page_list = kmalloc(sizeof(unsigned long) * MAX_LCLA_ALLOC_ATTEMPTS, - GFP_KERNEL); - + page_list = kmalloc_array(MAX_LCLA_ALLOC_ATTEMPTS, + sizeof(*page_list), + GFP_KERNEL); if (!page_list) { ret = -ENOMEM; goto failure;