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tipc: Minor optimization to rejection of connection-based messages 

Modifies message rejection logic so that TIPC doesn't attempt to
send a FIN message to the rejecting port if it is known in advance
that there is no such message because the rejecting port doesn't exist.

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 2011-11-02 10:32:14 -04:00 committed by Paul Gortmaker
parent 3175bd9add
commit dff10e9e63
1 changed files with 3 additions and 2 deletions
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5
net/tipc/port.c
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@ -400,15 +400,16 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err)
/* send self-abort message when rejecting on a connected port */
if (msg_connected(msg)) {
struct sk_buff *abuf = NULL;
struct tipc_port *p_ptr = tipc_port_lock(msg_destport(msg));
if (p_ptr) {
struct sk_buff *abuf = NULL;
if (p_ptr->connected)
abuf = port_build_self_abort_msg(p_ptr, err);
tipc_port_unlock(p_ptr);
tipc_net_route_msg(abuf);
}
tipc_net_route_msg(abuf);
}
/* send returned message & dispose of rejected message */