drm/omap: use kzalloc in sita_init()

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1450178476-26284-6-git-send-email-boris.brezillon@free-electrons.comSigned-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/omapdrm/tcm-sita.c

@@ -87,14 +87,11 @@ struct tcm *sita_init(u16 width, u16 height, struct tcm_pt *attr)
 	if (width == 0 || height == 0)
 		return NULL;
 
-	tcm = kmalloc(sizeof(*tcm), GFP_KERNEL);
-	pvt = kmalloc(sizeof(*pvt), GFP_KERNEL);
+	tcm = kzalloc(sizeof(*tcm), GFP_KERNEL);
+	pvt = kzalloc(sizeof(*pvt), GFP_KERNEL);
 	if (!tcm || !pvt)
 		goto error;
 
-	memset(tcm, 0, sizeof(*tcm));
-	memset(pvt, 0, sizeof(*pvt));
-
 	/* Updating the pointers to SiTA implementation APIs */
 	tcm->height = height;
 	tcm->width = width;