net/smc: continue waiting if peer signals write_shutdown
authorUrsula Braun <ubraun@linux.vnet.ibm.com>
Wed, 24 Jan 2018 09:28:17 +0000 (10:28 +0100)
committerDavid S. Miller <davem@davemloft.net>
Wed, 24 Jan 2018 15:52:57 +0000 (10:52 -0500)
If the peer sends a shutdown WRITE, this should not affect sending
in general, and waiting for send buffer space in particular.
Stop waiting of the local socket for send buffer space only, if peer
signals closing, but not if peer signals just shutdown WRITE.

Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/smc/smc_tx.c

index 2e50fdd..fea6482 100644 (file)
@@ -86,7 +86,7 @@ static int smc_tx_wait_memory(struct smc_sock *smc, int flags)
                        rc = -EPIPE;
                        break;
                }
-               if (conn->local_rx_ctrl.conn_state_flags.peer_conn_abort) {
+               if (smc_cdc_rxed_any_close(conn)) {
                        rc = -ECONNRESET;
                        break;
                }
@@ -107,7 +107,7 @@ static int smc_tx_wait_memory(struct smc_sock *smc, int flags)
                sk_wait_event(sk, &timeo,
                              sk->sk_err ||
                              (sk->sk_shutdown & SEND_SHUTDOWN) ||
-                             smc_cdc_rxed_any_close_or_senddone(conn) ||
+                             smc_cdc_rxed_any_close(conn) ||
                              atomic_read(&conn->sndbuf_space),
                              &wait);
        }