drm/nouveau/disp: Use NULL for pointers
authorThierry Reding <treding@nvidia.com>
Mon, 21 Jul 2014 12:02:58 +0000 (14:02 +0200)
committerBen Skeggs <bskeggs@redhat.com>
Mon, 27 Jul 2015 08:56:09 +0000 (18:56 +1000)
The return type of exec_lookup() is struct nvkm_output *, so it should
return NULL rather than 0.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
drivers/gpu/drm/nouveau/nvkm/engine/disp/gf110.c

index 9ef6728c528d999ef625a9c1472de95c0c02ba24..7f2f05f78cc8cb7a17e7c7f2445c741981c9389a 100644 (file)
@@ -809,7 +809,7 @@ exec_lookup(struct nv50_disp_priv *priv, int head, int or, u32 ctrl,
                case 0x00000900: type = DCB_OUTPUT_DP; mask = 2; break;
                default:
                        nv_error(priv, "unknown SOR mc 0x%08x\n", ctrl);
-                       return 0x0000;
+                       return NULL;
                }
        }