From: Thierry Reding <treding@nvidia.com>
Date: Mon, 21 Jul 2014 12:02:58 +0000 (+0200)
Subject: drm/nouveau/disp: Use NULL for pointers
X-Git-Tag: v4.2-rc5~14^2~3^2~5
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=1196bcf92142ad6f022df01ab8120aefa908eaea;p=karo-tx-linux.git

drm/nouveau/disp: Use NULL for pointers

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>
---

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf110.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf110.c
index 9ef6728c528d..7f2f05f78cc8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf110.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf110.c
@@ -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;
 		}
 	}