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[net-next,2/2] tipc: don't directly overwrite node action_flags

Message ID 1399510480-29558-3-git-send-email-ying.xue@windriver.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Ying Xue May 8, 2014, 12:54 a.m. UTC 
Each node action flag should be set or cleared separately, instead
we now set the whole flags variable in one shot, and it's turned
out to be hard to see which other flags are affected. Therefore,
for instance, we explicitly clear TIPC_WAIT_OWN_LINKS_DOWN bit in
node_lost_contact().

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
---
 net/tipc/link.c |    2 +-
 net/tipc/node.c |    6 ++++--
 2 files changed, 5 insertions(+), 3 deletions(-)
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Patch

diff --git a/net/tipc/link.c b/net/tipc/link.c
index 26abb16..2140837 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -1853,7 +1853,7 @@  static void tipc_link_proto_rcv(struct tipc_link *l_ptr, struct sk_buff *buf)
 			 * peer has lost contact -- don't allow peer's links
 			 * to reactivate before we recognize loss & clean up
 			 */
-			l_ptr->owner->action_flags = TIPC_WAIT_OWN_LINKS_DOWN;
+			l_ptr->owner->action_flags |= TIPC_WAIT_OWN_LINKS_DOWN;
 		}
 
 		link_state_event(l_ptr, RESET_MSG);
diff --git a/net/tipc/node.c b/net/tipc/node.c
index bb66a26..facd561 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -308,11 +308,13 @@  static void node_lost_contact(struct tipc_node *n_ptr)
 		tipc_link_reset_fragments(l_ptr);
 	}
 
+	n_ptr->action_flags &= ~TIPC_WAIT_OWN_LINKS_DOWN;
+
 	/* Notify subscribers and prevent re-contact with node until
 	 * cleanup is done.
 	 */
-	n_ptr->action_flags = TIPC_WAIT_PEER_LINKS_DOWN |
-			      TIPC_NOTIFY_NODE_DOWN;
+	n_ptr->action_flags |= TIPC_WAIT_PEER_LINKS_DOWN |
+			       TIPC_NOTIFY_NODE_DOWN;
 }
 
 struct sk_buff *tipc_node_get_nodes(const void *req_tlv_area, int req_tlv_space)