From: Jesper Juhl <jj@chaosbits.net>
Date: Sun, 3 Jul 2011 23:46:53 +0000 (+1000)
Subject: drm/nouveau: do not leak in nv20_graph_create
X-Git-Tag: firefly_0821_release~3680^2~4922^2~13^2~7
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1541fa854273abee954ec4ca4ad65fe4ceb9e626;p=firefly-linux-kernel-4.4.55.git

drm/nouveau: do not leak in nv20_graph_create

If we return due to an unknown chipset in
drivers/gpu/drm/nouveau/nv20_graph.c:nv20_graph_create() we'll leak the
memory allocated to 'pgraph'.

This patch should fix the leak.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Reviewed-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---

diff --git a/drivers/gpu/drm/nouveau/nv20_graph.c b/drivers/gpu/drm/nouveau/nv20_graph.c
index affc7d7dd029..f8736270f62f 100644
--- a/drivers/gpu/drm/nouveau/nv20_graph.c
+++ b/drivers/gpu/drm/nouveau/nv20_graph.c
@@ -753,6 +753,7 @@ nv20_graph_create(struct drm_device *dev)
 			break;
 		default:
 			NV_ERROR(dev, "PGRAPH: unknown chipset\n");
+			kfree(pgraph);
 			return 0;
 		}
 	} else {
@@ -774,6 +775,7 @@ nv20_graph_create(struct drm_device *dev)
 			break;
 		default:
 			NV_ERROR(dev, "PGRAPH: unknown chipset\n");
+			kfree(pgraph);
 			return 0;
 		}
 	}