Commit 90e9517e authored by Ursula Braun's avatar Ursula Braun Committed by David S. Miller
Browse files

net/smc: always call the POLL_IN part of sk_wake_async 



Wake up reading file descriptors for a closing socket as well, otherwise
some socket applications may stall.

Signed-off-by: default avatarUrsula Braun <ubraun@linux.vnet.ibm.com>
Reviewed-by: default avatarThomas Richter <tmricht@linux.vnet.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 90cacb2e

net/smc/smc_rx.c

+1 −2
Original line number Original line Diff line number Diff line
@@ -36,11 +36,10 @@ static void smc_rx_data_ready(struct sock *sk) 
	if (skwq_has_sleeper(wq))

	if (skwq_has_sleeper(wq))

		wake_up_interruptible_sync_poll(&wq->wait, POLLIN | POLLPRI |

		wake_up_interruptible_sync_poll(&wq->wait, POLLIN | POLLPRI |

						POLLRDNORM | POLLRDBAND);

						POLLRDNORM | POLLRDBAND);

	sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_IN);

	if ((sk->sk_shutdown == SHUTDOWN_MASK) ||

	if ((sk->sk_shutdown == SHUTDOWN_MASK) ||

	    (sk->sk_state == SMC_CLOSED))

	    (sk->sk_state == SMC_CLOSED))

		sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_HUP);

		sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_HUP);

	else

		sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_IN);

	rcu_read_unlock();

	rcu_read_unlock();

}

}