[ 03/20] NFSv4.1: Fix a request leak on the back channel

3.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Trond Myklebust <redacted>

commit b3b02ae5865c2dcd506322e0fc6def59a042e72f upstream.

If the call to svc_process_common() fails, then the request
needs to be freed before we can exit bc_svc_process.

Signed-off-by: Trond Myklebust <redacted>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 net/sunrpc/svc.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c

@@ -1302,7 +1302,8 @@ bc_svc_process(struct svc_serv *serv, st
 						sizeof(req->rq_snd_buf));
 		return bc_send(req);
 	} else {
-		/* Nothing to do to drop request */
+		/* drop request */
+		xprt_free_bc_request(req);
 		return 0;
 	}
 }