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tipc: Fix problem with broadcast link synchronization between nodes
Corrects a problem in which a link endpoint that activates as the result of receiving a RESET/STATE sequence of link protocol messages fails to properly record the broadcast link status information about the node to which it is now communicating with. (The problem does not occur with the more common RESET/ACTIVATE sequence of messages.) The fix ensures that the broadcast link status info is updated after the RESET message resets the link endpoint, rather than before, thereby preventing new information from being overwritten by the reset operation. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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@ -2105,6 +2105,8 @@ static void link_recv_proto_msg(struct tipc_link *l_ptr, struct sk_buff *buf)
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l_ptr->owner->block_setup = WAIT_NODE_DOWN;
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}
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link_state_event(l_ptr, RESET_MSG);
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/* fall thru' */
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case ACTIVATE_MSG:
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/* Update link settings according other endpoint's values */
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@ -2134,10 +2136,11 @@ static void link_recv_proto_msg(struct tipc_link *l_ptr, struct sk_buff *buf)
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if (!tipc_node_is_up(l_ptr->owner))
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l_ptr->owner->bclink.last_in = msg_last_bcast(msg);
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link_state_event(l_ptr, msg_type(msg));
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l_ptr->peer_session = msg_session(msg);
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l_ptr->peer_bearer_id = msg_bearer_id(msg);
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if (msg_type(msg) == ACTIVATE_MSG)
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link_state_event(l_ptr, ACTIVATE_MSG);
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break;
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case STATE_MSG:
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