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Commit 7462b9e9 authored by Allan Stephens's avatar Allan Stephens Committed by Paul Gortmaker
Browse files

tipc: Fix problem with bundled multicast message 



Set the destination node and destination port fields of an outgoing
multicast message header to zero; this is necessary to ensure that
the receiving node can route the message properly if it was packed
into a bundle due to link congestion. (Previously, there was a chance
that the receiving node would send the unbundled message to a random
node & port, rather than processing the message itself.)

Signed-off-by: default avatarAllan Stephens <allan.stephens@windriver.com>
Signed-off-by: default avatarPaul Gortmaker <paul.gortmaker@windriver.com>
parent 53b94364

net/tipc/port.c

+2 −0
Original line number Diff line number Diff line
@@ -92,6 +92,8 @@ int tipc_multicast(u32 ref, struct tipc_name_seq const *seq, 
	hdr = &oport->phdr;

	msg_set_type(hdr, TIPC_MCAST_MSG);

	msg_set_lookup_scope(hdr, TIPC_CLUSTER_SCOPE);

	msg_set_destport(hdr, 0);

	msg_set_destnode(hdr, 0);

	msg_set_nametype(hdr, seq->type);

	msg_set_namelower(hdr, seq->lower);

	msg_set_nameupper(hdr, seq->upper);