nv04-nv40: fix nv##_surface_copy() for flipped

If do_flipp is true, it would first do the proper copy, height would
wrap around to unsigned maximum, and then it attempts to do another
copy.

Return after doing the proper copy.

Signed-off-by: Pekka Paalanen <pq@iki.fi>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/gallium/drivers/nv20/nv20_surface.c b/src/gallium/drivers/nv20/nv20_surface.c
index a79974ce5e..6cd607583c 100644
--- a/src/gallium/drivers/nv20/nv20_surface.c
+++ b/src/gallium/drivers/nv20/nv20_surface.c
@@ -47,6 +47,7 @@ nv20_surface_copy(struct pipe_context *pipe, boolean do_flip,
 			eng2d->copy(eng2d, dest, destx, desty--, src,
 				    srcx, srcy++, width, 1);
 		}
+		return;
 	}
 
 	eng2d->copy(eng2d, dest, destx, desty, src, srcx, srcy, width, height);