[PATCH] RPC: Ensure XDR iovec length is initialized correctly in call_header

 Fix up call_header() so that it calls xdr_adjust_iovec().
 Fix calculation of the scratch buffer length in xdr_init_encode().

 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 02bc029d46fe..209aaf595695 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -957,7 +957,9 @@ call_header(struct rpc_task *task)
         *p++ = htonl(clnt->cl_prog);    /* program number */
         *p++ = htonl(clnt->cl_vers);    /* program version */
         *p++ = htonl(task->tk_msg.rpc_proc->p_proc);    /* procedure */
-        return rpcauth_marshcred(task, p);
+        p = rpcauth_marshcred(task, p);
+        req->rq_slen = xdr_adjust_iovec(&req->rq_svec[0], p);
+        return p;
 }
 
 /*