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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: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
This commit is contained in:
Allan Stephens 2011-04-18 10:08:22 -04:00 committed by Paul Gortmaker
parent 53b94364a7
commit 7462b9e9f6
1 changed files with 2 additions and 0 deletions
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2
net/tipc/port.c
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@ -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);