From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Date: Wed, 21 Sep 2016 16:52:05 +0000 Subject: [PATCH 10/14] GPU-DRM-OMAP: Use kmalloc_array() in omap_gem_attach_pages() Message-Id: <2e7b2e16-c448-3470-32d1-582db3aa6634@users.sourceforge.net> List-Id: References: <566ABCD9.1060404@users.sourceforge.net> <0ea38611-3d93-0ade-a1fb-f8cc2e0b8d61@users.sourceforge.net> In-Reply-To: <0ea38611-3d93-0ade-a1fb-f8cc2e0b8d61@users.sourceforge.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: dri-devel@lists.freedesktop.org, David Airlie , Laurent Pinchart , Tomi Valkeinen Cc: Julia Lawall , kernel-janitors@vger.kernel.org, LKML From: Markus Elfring Date: Wed, 21 Sep 2016 17:37:04 +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. Signed-off-by: Markus Elfring --- drivers/gpu/drm/omapdrm/omap_gem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/omapdrm/omap_gem.c b/drivers/gpu/drm/omapdrm/omap_gem.c index 505dee0..e4f1924 100644 --- a/drivers/gpu/drm/omapdrm/omap_gem.c +++ b/drivers/gpu/drm/omapdrm/omap_gem.c @@ -259,7 +259,7 @@ static int omap_gem_attach_pages(struct drm_gem_object *obj) * DSS, GPU, etc. are not cache coherent: */ if (omap_obj->flags & (OMAP_BO_WC|OMAP_BO_UNCACHED)) { - addrs = kmalloc(npages * sizeof(*addrs), GFP_KERNEL); + addrs = kmalloc_array(npages, sizeof(*addrs), GFP_KERNEL); if (!addrs) { ret = -ENOMEM; goto free_pages; -- 2.10.0