[GFS2] Don't try to remove buffers that don't exist

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c
index 4002f41..873a511 100644
--- a/fs/gfs2/ops_address.c
+++ b/fs/gfs2/ops_address.c
@@ -747,7 +747,7 @@
 	struct gfs2_bufdata *bd;
 
 	if (!page_has_buffers(page))
-		goto out;
+		return 0;
 
 	gfs2_log_lock(sdp);
 	head = bh = page_buffers(page);
@@ -787,7 +787,6 @@
 		bh = bh->b_this_page;
 	} while (bh != head);
 
-out:
 	return try_to_free_buffers(page);
 cannot_release:
 	gfs2_log_unlock(sdp);