[01/14] GPU-DRM-OMAP: Use kmalloc_array() in tiler_map_show()

Commit Message

SF Markus Elfring Sept. 21, 2016, 4:38 p.m. UTC

From: Markus Elfring <[e-mail]>
Date: Wed, 21 Sep 2016 12:23:46 +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_dmm_tiler.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Patch

diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
index 4ceed7a9..7b32dd3 100644
--- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
+++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
@@ -917,8 +917,7 @@  int tiler_map_show(struct seq_file *s, void *arg)
 
 	h_adj = omap_dmm->container_height / ydiv;
 	w_adj = omap_dmm->container_width / xdiv;
-
-	map = kmalloc(h_adj * sizeof(*map), GFP_KERNEL);
+	map = kmalloc_array(h_adj, sizeof(*map), GFP_KERNEL);
 	global_map = kmalloc((w_adj + 1) * h_adj, GFP_KERNEL);
 
 	if (!map || !global_map)