From: Markus Elfring Date: Tue, 3 Oct 2017 19:07:33 +0000 (+0200) Subject: ARM: OMAP: Use kcalloc() in omap_system_dma_probe() X-Git-Tag: v4.15~382^2~24^2~1 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=738c985d85afdc592c0dda205b2d71043bdc5bfb;p=mirror_ubuntu-bionic-kernel.git ARM: OMAP: Use kcalloc() in omap_system_dma_probe() * A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "kcalloc". 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 Signed-off-by: Tony Lindgren --- diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index 409e4ecaebe9..d4012d6c0dcb 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -1321,8 +1321,9 @@ static int omap_system_dma_probe(struct platform_device *pdev) return -ENOMEM; if (dma_omap2plus()) { - dma_linked_lch = kzalloc(sizeof(struct dma_link_info) * - dma_lch_count, GFP_KERNEL); + dma_linked_lch = kcalloc(dma_lch_count, + sizeof(*dma_linked_lch), + GFP_KERNEL); if (!dma_linked_lch) { ret = -ENOMEM; goto exit_dma_lch_fail;