Commit 838f6fe7 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nv50-/fb: use dma_mapping_error() to check dma_map_page() result 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 9cba5efa

drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c

+2 −2
Original line number Diff line number Diff line
@@ -253,8 +253,8 @@ nv50_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine, 
		priv->r100c08 = dma_map_page(nv_device_base(device),

					     priv->r100c08_page, 0, PAGE_SIZE,

					     DMA_BIDIRECTIONAL);

		if (!priv->r100c08)

			nv_warn(priv, "failed 0x100c08 page map\n");

		if (dma_mapping_error(nv_device_base(device), priv->r100c08))

			return -EFAULT;

	} else {

		nv_warn(priv, "failed 0x100c08 page alloc\n");

	}

drivers/gpu/drm/nouveau/core/subdev/fb/nvc0.c

+1 −1
Original line number Diff line number Diff line
@@ -97,7 +97,7 @@ nvc0_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine, 
		priv->r100c10 = dma_map_page(nv_device_base(device),

					     priv->r100c10_page, 0, PAGE_SIZE,

					     DMA_BIDIRECTIONAL);

		if (!priv->r100c10)

		if (dma_mapping_error(nv_device_base(device), priv->r100c10))

			return -EFAULT;

	}