From 732720fafdb04ad8daec36ba7f09b44641ebc13f Mon Sep 17 00:00:00 2001 From: Ursula Braun Date: Thu, 25 Jan 2018 11:15:35 +0100 Subject: net/smc: wake up wr_reg_wait when terminating a link group If a new connection with a new rmb is added to a link group, its memory region is registered. If a link group is terminated, a pending registration requires a wake up. And consolidate setting of tx_flag peer_conn_abort in smc_lgr_terminate(). Signed-off-by: Ursula Braun Signed-off-by: David S. Miller --- net/smc/smc_core.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'net/smc/smc_core.c') diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c index 7406cbb41856..ed5b46d1fe41 100644 --- a/net/smc/smc_core.c +++ b/net/smc/smc_core.c @@ -234,9 +234,7 @@ static void smc_buf_unuse(struct smc_connection *conn) /* remove a finished connection from its link group */ void smc_conn_free(struct smc_connection *conn) { - struct smc_link_group *lgr = conn->lgr; - - if (!lgr) + if (!conn->lgr) return; smc_cdc_tx_dismiss_slots(conn); smc_lgr_unregister_conn(conn); @@ -331,12 +329,16 @@ void smc_lgr_terminate(struct smc_link_group *lgr) conn = rb_entry(node, struct smc_connection, alert_node); smc = container_of(conn, struct smc_sock, conn); sock_hold(&smc->sk); + conn->local_tx_ctrl.conn_state_flags.peer_conn_abort = 1; __smc_lgr_unregister_conn(conn); + write_unlock_bh(&lgr->conns_lock); schedule_work(&conn->close_work); + write_lock_bh(&lgr->conns_lock); sock_put(&smc->sk); node = rb_first(&lgr->conns_all); } write_unlock_bh(&lgr->conns_lock); + wake_up(&lgr->lnk[SMC_SINGLE_LINK].wr_reg_wait); } /* Determine vlan of internal TCP socket. -- cgit v1.2.3