SUNRPC: Don't try to send when the connection is shutting down

If the connection has been scheduled to shut down, we must assume that
the socket is not in a state to accept further transmissions until the
connection has been re-established.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index af13fdfa6672146daf1b572aa29a8d4bd3731b1d..db3754a3298f9df7c9ef870bc588aaf19a9a119d 100644 (file)
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -1541,6 +1541,9 @@ xprt_request_transmit(struct rpc_rqst *req, struct rpc_task *snd_task)
        int is_retrans = RPC_WAS_SENT(task);
        int status;
 
+       if (test_bit(XPRT_CLOSE_WAIT, &xprt->state))
+               return -ENOTCONN;
+
        if (!req->rq_bytes_sent) {
                if (xprt_request_data_received(task)) {
                        status = 0;