drm/via: vfree() no need checking before calling it

vfree() does it's own NULL checking, no need for explicit check before
calling it.

Signed-off-by: Figo.zhang <figo1802@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/via/via_dmablit.c b/drivers/gpu/drm/via/via_dmablit.c
index 409e00a..3273808 100644 (file)
--- a/drivers/gpu/drm/via/via_dmablit.c
+++ b/drivers/gpu/drm/via/via_dmablit.c
@@ -195,10 +195,8 @@ via_free_sg_info(struct pci_dev *pdev, drm_via_sg_info_t *vsg)
        default:
                vsg->state = dr_via_sg_init;
        }
-       if (vsg->bounce_buffer) {
-               vfree(vsg->bounce_buffer);
-               vsg->bounce_buffer = NULL;
-       }
+       vfree(vsg->bounce_buffer);
+       vsg->bounce_buffer = NULL;
        vsg->free_on_sequence = 0;
 }