Commit 974a5a86 authored Apr 18, 2012 by Allan Stephens Committed by Paul Gortmaker Apr 19, 2012

tipc: take lock while updating node network address



The routine that changes the node's network address now takes TIPC's
network lock in write mode while the main address variable and associated
data structures are being changed; this is needed to ensure that the
link subsystem won't attempt to send a message off-node until the sending
port's message header template has been updated with the node's new
network address.

Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

parent f0712e86

net/tipc/net.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -178,11 +178,12 @@ int tipc_net_start(u32 addr)
		tipc_subscr_stop();
		tipc_cfg_stop();

		write_lock_bh(&tipc_net_lock);
		tipc_own_addr = addr;
		tipc_named_reinit();
		tipc_port_reinit();

		tipc_bclink_init();
		write_unlock_bh(&tipc_net_lock);

		tipc_k_signal((Handler)tipc_subscr_start, 0);
		tipc_k_signal((Handler)tipc_cfg_init, 0);

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