ceph: remove useless check

rc is only ever 0 or negative in this method.

Signed-off-by: Sage Weil <sage@newdream.net>

fs/ceph/addr.c

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 38b8ab5..5496726 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -880,8 +880,6 @@
 out:
 	if (req)
 		ceph_osdc_put_request(req);
-	if (rc > 0)
-		rc = 0;  /* vfs expects us to return 0 */
 	ceph_put_snap_context(snapc);
 	dout("writepages done, rc = %d\n", rc);
 	return rc;