[PATCH] drm/via/via_dmablit: mark expected switch fall-throughs

[Gustavo A. R. Silva]

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Addresses-Coverity-ID: 114740
Addresses-Coverity-ID: 114741
Addresses-Coverity-ID: 114742
Addresses-Coverity-ID: 114743
Signed-off-by: Gustavo A. R. Silva <garsi...@embeddedor.com>
---
 drivers/gpu/drm/via/via_dmablit.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/via/via_dmablit.c 
b/drivers/gpu/drm/via/via_dmablit.c
index 98aae98..d3ff3ec 100644
--- a/drivers/gpu/drm/via/via_dmablit.c
+++ b/drivers/gpu/drm/via/via_dmablit.c
@@ -177,12 +177,14 @@ via_free_sg_info(struct pci_dev *pdev, drm_via_sg_info_t 
*vsg)
        switch (vsg->state) {
        case dr_via_device_mapped:
                via_unmap_blit_from_device(pdev, vsg);
+               /* fall through */
        case dr_via_desc_pages_alloc:
                for (i = 0; i < vsg->num_desc_pages; ++i) {
                        if (vsg->desc_pages[i] != NULL)
                                free_page((unsigned long)vsg->desc_pages[i]);
                }
                kfree(vsg->desc_pages);
+               /* fall through */
        case dr_via_pages_locked:
                for (i = 0; i < vsg->num_pages; ++i) {
                        if (NULL != (page = vsg->pages[i])) {
@@ -191,8 +193,10 @@ via_free_sg_info(struct pci_dev *pdev, drm_via_sg_info_t 
*vsg)
                                put_page(page);
                        }
                }
+               /* fall through */
        case dr_via_pages_alloc:
                vfree(vsg->pages);
+               /* fall through */
        default:
                vsg->state = dr_via_sg_init;
        }
-- 
2.7.4