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Check for node's presence in networkDB's node map before accessing.

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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
This commit is contained in:
Santhosh Manohar 2016-12-05 00:58:59 -08:00
parent 48c4c81cb1
commit 0c2b4b267c
1 changed files with 6 additions and 4 deletions
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6
libnetwork/networkdb/networkdb.go
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@ -211,11 +211,13 @@ func (nDB *NetworkDB) Peers(nid string) []PeerInfo {
defer nDB.RUnlock() defer nDB.RUnlock()
peers := make([]PeerInfo, 0, len(nDB.networkNodes[nid])) peers := make([]PeerInfo, 0, len(nDB.networkNodes[nid]))
for _, nodeName := range nDB.networkNodes[nid] { for _, nodeName := range nDB.networkNodes[nid] {
if node, ok := nDB.nodes[nodeName]; ok {
peers = append(peers, PeerInfo{ peers = append(peers, PeerInfo{
Name: nDB.nodes[nodeName].Name, Name: node.Name,
IP: nDB.nodes[nodeName].Addr.String(), IP: node.Addr.String(),
}) })
} }
}
return peers return peers
} }