smc: simplify abort logic

Some of the conditions to exit recv() are common in two pathes - cleaning up
code by moving the check up so we have it only once.

Signed-off-by: Stefan Raspl <raspl@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com><
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stefan Raspl 2018-05-03 18:12:36 +02:00 committed by David S. Miller
parent a7b15ab887
commit c8b8ec8e0d

View File

@ -112,26 +112,22 @@ int smc_rx_recvmsg(struct smc_sock *smc, struct msghdr *msg, size_t len,
if (atomic_read(&conn->bytes_to_rcv))
goto copy;
if (sk->sk_shutdown & RCV_SHUTDOWN ||
smc_cdc_rxed_any_close_or_senddone(conn) ||
conn->local_tx_ctrl.conn_state_flags.peer_conn_abort)
break;
if (read_done) {
if (sk->sk_err ||
sk->sk_state == SMC_CLOSED ||
sk->sk_shutdown & RCV_SHUTDOWN ||
!timeo ||
signal_pending(current) ||
smc_cdc_rxed_any_close_or_senddone(conn) ||
conn->local_tx_ctrl.conn_state_flags.
peer_conn_abort)
signal_pending(current))
break;
} else {
if (sk->sk_err) {
read_done = sock_error(sk);
break;
}
if (sk->sk_shutdown & RCV_SHUTDOWN ||
smc_cdc_rxed_any_close_or_senddone(conn) ||
conn->local_tx_ctrl.conn_state_flags.
peer_conn_abort)
break;
if (sk->sk_state == SMC_CLOSED) {
if (!sock_flag(sk, SOCK_DONE)) {
/* This occurs when user tries to read