From da7c74ea2b0e218ddd6c3d01ea55a12104e7c6fd Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Tue, 12 Aug 2014 23:11:18 +1000
Subject: [PATCH] drm/gf100-/gr: fix -ENOSPC detection when allocating zbc
 table entries

Spotted by Coverity.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
index db19191176fa..30fd1dc64f93 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
@@ -68,6 +68,9 @@ nvc0_graph_zbc_color_get(struct nvc0_graph_priv *priv, int format,
 		}
 	}
 
+	if (zbc < 0)
+		return zbc;
+
 	memcpy(priv->zbc_color[zbc].ds, ds, sizeof(priv->zbc_color[zbc].ds));
 	memcpy(priv->zbc_color[zbc].l2, l2, sizeof(priv->zbc_color[zbc].l2));
 	priv->zbc_color[zbc].format = format;
@@ -109,6 +112,9 @@ nvc0_graph_zbc_depth_get(struct nvc0_graph_priv *priv, int format,
 		}
 	}
 
+	if (zbc < 0)
+		return zbc;
+
 	priv->zbc_depth[zbc].format = format;
 	priv->zbc_depth[zbc].ds = ds;
 	priv->zbc_depth[zbc].l2 = l2;
-- 
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