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Diffstat (limited to 'net/smc/smc_close.c')
-rw-r--r--net/smc/smc_close.c39
1 files changed, 25 insertions, 14 deletions
diff --git a/net/smc/smc_close.c b/net/smc/smc_close.c
index 67a71d170bed..388503b78228 100644
--- a/net/smc/smc_close.c
+++ b/net/smc/smc_close.c
@@ -117,7 +117,6 @@ void smc_close_active_abort(struct smc_sock *smc)
struct smc_cdc_conn_state_flags *txflags =
&smc->conn.local_tx_ctrl.conn_state_flags;
- bh_lock_sock(&smc->sk);
smc->sk.sk_err = ECONNABORTED;
if (smc->clcsock && smc->clcsock->sk) {
smc->clcsock->sk->sk_err = ECONNABORTED;
@@ -125,6 +124,7 @@ void smc_close_active_abort(struct smc_sock *smc)
}
switch (smc->sk.sk_state) {
case SMC_INIT:
+ case SMC_ACTIVE:
smc->sk.sk_state = SMC_PEERABORTWAIT;
break;
case SMC_APPCLOSEWAIT1:
@@ -161,7 +161,6 @@ void smc_close_active_abort(struct smc_sock *smc)
}
sock_set_flag(&smc->sk, SOCK_DEAD);
- bh_unlock_sock(&smc->sk);
smc->sk.sk_state_change(&smc->sk);
}
@@ -185,7 +184,7 @@ again:
case SMC_INIT:
sk->sk_state = SMC_CLOSED;
if (smc->smc_listen_work.func)
- flush_work(&smc->smc_listen_work);
+ cancel_work_sync(&smc->smc_listen_work);
sock_put(sk);
break;
case SMC_LISTEN:
@@ -198,7 +197,7 @@ again:
}
release_sock(sk);
smc_close_cleanup_listen(sk);
- flush_work(&smc->tcp_listen_work);
+ cancel_work_sync(&smc->smc_listen_work);
lock_sock(sk);
break;
case SMC_ACTIVE:
@@ -306,22 +305,27 @@ static void smc_close_passive_abort_received(struct smc_sock *smc)
/* Some kind of closing has been received: peer_conn_closed, peer_conn_abort,
* or peer_done_writing.
- * Called under tasklet context.
*/
-void smc_close_passive_received(struct smc_sock *smc)
+static void smc_close_passive_work(struct work_struct *work)
{
- struct smc_cdc_conn_state_flags *rxflags =
- &smc->conn.local_rx_ctrl.conn_state_flags;
+ struct smc_connection *conn = container_of(work,
+ struct smc_connection,
+ close_work);
+ struct smc_sock *smc = container_of(conn, struct smc_sock, conn);
+ struct smc_cdc_conn_state_flags *rxflags;
struct sock *sk = &smc->sk;
int old_state;
- sk->sk_shutdown |= RCV_SHUTDOWN;
- if (smc->clcsock && smc->clcsock->sk)
- smc->clcsock->sk->sk_shutdown |= RCV_SHUTDOWN;
- sock_set_flag(&smc->sk, SOCK_DONE);
-
+ lock_sock(&smc->sk);
old_state = sk->sk_state;
+ if (!conn->alert_token_local) {
+ /* abnormal termination */
+ smc_close_active_abort(smc);
+ goto wakeup;
+ }
+
+ rxflags = &smc->conn.local_rx_ctrl.conn_state_flags;
if (rxflags->peer_conn_abort) {
smc_close_passive_abort_received(smc);
goto wakeup;
@@ -373,11 +377,12 @@ wakeup:
sk->sk_write_space(sk); /* wakeup blocked sndbuf producers */
if ((sk->sk_state == SMC_CLOSED) &&
- (sock_flag(sk, SOCK_DEAD) || (old_state == SMC_INIT))) {
+ (sock_flag(sk, SOCK_DEAD) || !sk->sk_socket)) {
smc_conn_free(&smc->conn);
schedule_delayed_work(&smc->sock_put_work,
SMC_CLOSE_SOCK_PUT_DELAY);
}
+ release_sock(&smc->sk);
}
void smc_close_sock_put_work(struct work_struct *work)
@@ -442,3 +447,9 @@ again:
sk->sk_state_change(&smc->sk);
return rc;
}
+
+/* Initialize close properties on connection establishment. */
+void smc_close_init(struct smc_sock *smc)
+{
+ INIT_WORK(&smc->conn.close_work, smc_close_passive_work);
+}