diff --git a/net/tipc/bcast.c b/net/tipc/bcast.c index 035b350be5c6240f0451e0c88fe7b121c15febfc..facc216c6a92e771d1957cf9732fecffce0cb38d 100644 --- a/net/tipc/bcast.c +++ b/net/tipc/bcast.c @@ -520,6 +520,7 @@ void tipc_bclink_recv_pkt(struct sk_buff *buf) if (likely(seqno == next_in)) { receive: + spin_lock_bh(&bc_lock); bcl->stats.recv_info++; node->bclink.last_in++; bclink_set_gap(node); @@ -527,7 +528,9 @@ void tipc_bclink_recv_pkt(struct sk_buff *buf) bclink_send_ack(node); bcl->stats.sent_acks++; } + if (likely(msg_isdata(msg))) { + spin_unlock_bh(&bc_lock); tipc_node_unlock(node); if (likely(msg_mcast(msg))) tipc_port_recv_mcast(buf, NULL); @@ -536,6 +539,7 @@ void tipc_bclink_recv_pkt(struct sk_buff *buf) } else if (msg_user(msg) == MSG_BUNDLER) { bcl->stats.recv_bundles++; bcl->stats.recv_bundled += msg_msgcnt(msg); + spin_unlock_bh(&bc_lock); tipc_node_unlock(node); tipc_link_recv_bundle(buf); } else if (msg_user(msg) == MSG_FRAGMENTER) { @@ -543,12 +547,15 @@ void tipc_bclink_recv_pkt(struct sk_buff *buf) if (tipc_link_recv_fragment(&node->bclink.defragm, &buf, &msg)) bcl->stats.recv_fragmented++; + spin_unlock_bh(&bc_lock); tipc_node_unlock(node); tipc_net_route_msg(buf); } else if (msg_user(msg) == NAME_DISTRIBUTOR) { + spin_unlock_bh(&bc_lock); tipc_node_unlock(node); tipc_named_recv(buf); } else { + spin_unlock_bh(&bc_lock); tipc_node_unlock(node); buf_discard(buf); } @@ -601,11 +608,15 @@ void tipc_bclink_recv_pkt(struct sk_buff *buf) } else deferred = 0; + spin_lock_bh(&bc_lock); + if (deferred) bcl->stats.deferred_recv++; else bcl->stats.duplicates++; + spin_unlock_bh(&bc_lock); + unlock: tipc_node_unlock(node); exit: