Messages in this thread Patch in this message | | | Subject | [PATCH 01/14] GPU-DRM-OMAP: Use kmalloc_array() in tiler_map_show() | From | SF Markus Elfring <> | Date | Wed, 21 Sep 2016 18:38:12 +0200 |
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From: Markus Elfring <elfring@users.sourceforge.net> 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 <elfring@users.sourceforge.net> --- drivers/gpu/drm/omapdrm/omap_dmm_tiler.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
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) -- 2.10.0
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