From 3f83914f7aa2916cbff9b03f5df8533bfed9f9f5 Mon Sep 17 00:00:00 2001 From: Angus Gratton Date: Wed, 4 Oct 2017 10:18:10 +1100 Subject: [PATCH] lwip: Fix bug with LWIP_SOCKET_OFFSET & IGMP group support --- components/lwip/api/sockets.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/components/lwip/api/sockets.c b/components/lwip/api/sockets.c index 0da123839c..b09cff19fc 100755 --- a/components/lwip/api/sockets.c +++ b/components/lwip/api/sockets.c @@ -3139,13 +3139,14 @@ static void lwip_socket_drop_registered_memberships(int s) (default initialization is to 0) */ int sa = s + 1; int i; + struct lwip_sock *sock = get_socket(s); - LWIP_ASSERT("socket has no netconn", sockets[s].conn != NULL); + LWIP_ASSERT("socket has no netconn", sock->conn != NULL); for (i = 0; i < LWIP_SOCKET_MAX_MEMBERSHIPS; i++) { if (socket_multicast_memberships[i].sa == sa) { socket_multicast_memberships[i].sa = 0; - netconn_join_leave_group(sockets[s].conn, + netconn_join_leave_group(sock->conn, &socket_multicast_memberships[i].multi_addr, &socket_multicast_memberships[i].if_addr, NETCONN_LEAVE);