[10/14] GPU-DRM-OMAP: Use kmalloc_array() in omap_gem_attach_pages()

Commit Message

SF Markus Elfring Sept. 21, 2016, 4:52 p.m. UTC

From: Markus Elfring <[e-mail]>
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 <[e-mail]>
---
 drivers/gpu/drm/omapdrm/omap_gem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

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;