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src/Cedar/Hub.c: resolve null pointer dereference found by coverity,
also cleanup a code based on PVS analyzer findings src/Cedar/Hub.c 5279 warn V547 Expression 'e->UpdatedTime <= oldest_time' is always true. src/Cedar/Hub.c 5840 warn V581 The conditional expressions of the 'if' statements situated alongside each other are identical. Check lines: 5828, 5840.
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93c962fb68
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@ -5264,7 +5264,6 @@ bool IsIPManagementTargetForHUB(IP *ip, HUB *hub)
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void DeleteOldIpTableEntry(LIST *o)
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void DeleteOldIpTableEntry(LIST *o)
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{
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{
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UINT i;
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UINT i;
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UINT64 oldest_time = 0xffffffffffffffffULL;
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IP_TABLE_ENTRY *old = NULL;
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IP_TABLE_ENTRY *old = NULL;
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// Validate arguments
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// Validate arguments
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if (o == NULL)
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if (o == NULL)
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@ -5275,12 +5274,8 @@ void DeleteOldIpTableEntry(LIST *o)
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for (i = 0;i < LIST_NUM(o);i++)
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for (i = 0;i < LIST_NUM(o);i++)
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{
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{
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IP_TABLE_ENTRY *e = LIST_DATA(o, i);
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IP_TABLE_ENTRY *e = LIST_DATA(o, i);
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if (e->UpdatedTime <= oldest_time)
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{
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old = e;
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old = e;
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}
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}
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}
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if (old != NULL)
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if (old != NULL)
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{
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{
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@ -5394,7 +5389,7 @@ void StorePacketToHubPa(HUB_PA *dest, SESSION *src, void *data, UINT size, PKT *
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}
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}
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}
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}
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if (src != NULL && src->Hub != NULL && src->Hub->Option != NULL && src->Hub->Option->FixForDLinkBPDU)
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if (packet != NULL && src != NULL && src->Hub != NULL && src->Hub->Option != NULL && src->Hub->Option->FixForDLinkBPDU)
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{
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{
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// Measures for D-Link bug
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// Measures for D-Link bug
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UCHAR *mac = packet->MacAddressSrc;
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UCHAR *mac = packet->MacAddressSrc;
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@ -5840,10 +5835,8 @@ UPDATE_DHCP_ALLOC_ENTRY:
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DeleteOldIpTableEntry(hub->IpTable);
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DeleteOldIpTableEntry(hub->IpTable);
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}
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}
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Insert(hub->IpTable, e);
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Insert(hub->IpTable, e);
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}
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if (new_entry)
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{
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if ((hub->Option != NULL && hub->Option->NoDhcpPacketLogOutsideHub == false) || mac_table->Session != s)
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if ((hub->Option != NULL && hub->Option->NoDhcpPacketLogOutsideHub == false) || mac_table->Session != s)
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{
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{
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char dhcp_mac_addr[64];
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char dhcp_mac_addr[64];
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