diff options
Diffstat (limited to 'accel-pppd/ctrl/l2tp/l2tp.c')
| -rw-r--r-- | accel-pppd/ctrl/l2tp/l2tp.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/accel-pppd/ctrl/l2tp/l2tp.c b/accel-pppd/ctrl/l2tp/l2tp.c index c65bcd8a..ed4364f5 100644 --- a/accel-pppd/ctrl/l2tp/l2tp.c +++ b/accel-pppd/ctrl/l2tp/l2tp.c @@ -1297,7 +1297,7 @@ out_err: return -1; } -static void l2tp_retransmit(struct l2tp_conn_t *conn) +static int l2tp_retransmit(struct l2tp_conn_t *conn) { struct l2tp_packet_t *pack; @@ -1311,7 +1311,10 @@ static void l2tp_retransmit(struct l2tp_conn_t *conn) if (l2tp_packet_send(conn->hnd.fd, pack) < 0) { log_tunnel(log_error, conn, "packet retransmission failure\n"); + return -1; } + + return 0; } static void l2tp_rtimeout(struct triton_timer_t *t) @@ -2953,9 +2956,13 @@ static int l2tp_conn_read(struct triton_md_handler_t *h) ntohs(pack->hdr.Ns), ntohs(pack->hdr.Nr), conn->Ns, conn->Nr); if (!list_empty(&conn->send_queue)) - l2tp_retransmit(conn); - else if (l2tp_send_ZLB(conn)) - goto drop; + res = l2tp_retransmit(conn); + else + res = l2tp_send_ZLB(conn); + if (res < 0) + log_tunnel(log_warn, conn, + "replying to duplicate message" + " failed, continuing anyway\n"); l2tp_packet_free(pack); continue; } else if (res > 0) { |