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Merge PR #707: src/Cedar/Hub.c: resolve null pointer dereference found by coverity

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Davide Beatrici 2018-09-19 04:23:56 +02:00 committed by GitHub
commit a78bcb4f21
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1 changed files with 3 additions and 10 deletions
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13
src/Cedar/Hub.c
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@ -5264,7 +5264,6 @@ bool IsIPManagementTargetForHUB(IP *ip, HUB *hub)
void DeleteOldIpTableEntry(LIST *o)
{
UINT i;
UINT64 oldest_time = 0xffffffffffffffffULL;
IP_TABLE_ENTRY *old = NULL;
// Validate arguments
if (o == NULL)
@ -5275,11 +5274,7 @@ void DeleteOldIpTableEntry(LIST *o)
for (i = 0;i < LIST_NUM(o);i++)
{
IP_TABLE_ENTRY *e = LIST_DATA(o, i);
if (e->UpdatedTime <= oldest_time)
{
old = e;
}
old = e;
}
if (old != NULL)
@ -5394,7 +5389,7 @@ void StorePacketToHubPa(HUB_PA *dest, SESSION *src, void *data, UINT size, PKT *
}
}
if (src != NULL && src->Hub != NULL && src->Hub->Option != NULL && src->Hub->Option->FixForDLinkBPDU)
if (packet != NULL && src != NULL && src->Hub != NULL && src->Hub->Option != NULL && src->Hub->Option->FixForDLinkBPDU)
{
// Measures for D-Link bug
UCHAR *mac = packet->MacAddressSrc;
@ -5840,10 +5835,8 @@ UPDATE_DHCP_ALLOC_ENTRY:
DeleteOldIpTableEntry(hub->IpTable);
}
Insert(hub->IpTable, e);
}
if (new_entry)
{
if ((hub->Option != NULL && hub->Option->NoDhcpPacketLogOutsideHub == false) || mac_table->Session != s)
{
char dhcp_mac_addr[64];