drm/exynos: fix kcalloc size of g2d cmdlist node

The size argument means just one element size when we call kcalloc, so
G2D_CMDLIST_NUM * sizeof(*node) is wrong.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
index dcbc4cb..3fbe591 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
@@ -165,8 +165,7 @@
 		return -ENOMEM;
 	}
 
-	node = kcalloc(G2D_CMDLIST_NUM, G2D_CMDLIST_NUM * sizeof(*node),
-			GFP_KERNEL);
+	node = kcalloc(G2D_CMDLIST_NUM, sizeof(*node), GFP_KERNEL);
 	if (!node) {
 		dev_err(dev, "failed to allocate memory\n");
 		ret = -ENOMEM;