From 90e9517ed9615f9fb23fbef7d279f81e6c5c08b2 Mon Sep 17 00:00:00 2001 From: Ursula Braun Date: Mon, 10 Apr 2017 14:58:00 +0200 Subject: [PATCH] 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: Ursula Braun Reviewed-by: Thomas Richter Signed-off-by: David S. Miller --- net/smc/smc_rx.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/net/smc/smc_rx.c b/net/smc/smc_rx.c index c4ef9a4ec569..f0c8b089f770 100644 --- a/net/smc/smc_rx.c +++ b/net/smc/smc_rx.c @@ -36,11 +36,10 @@ static void smc_rx_data_ready(struct sock *sk) if (skwq_has_sleeper(wq)) wake_up_interruptible_sync_poll(&wq->wait, POLLIN | POLLPRI | POLLRDNORM | POLLRDBAND); + sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_IN); if ((sk->sk_shutdown == SHUTDOWN_MASK) || (sk->sk_state == SMC_CLOSED)) sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_HUP); - else - sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_IN); rcu_read_unlock(); } -- 2.20.1