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- Don't leak the dma adapter when we fail

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svn path=/trunk/; revision=40554
This commit is contained in:
Cameron Gutman
2009-04-17 01:55:31 +00:00
parent 0f8d58977d
commit 8d8ce081fa
1 changed files with 10 additions and 0 deletions
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reactos/drivers/network/ndis/ndis/io.c
+10
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@@ -327,6 +327,8 @@ NdisMAllocateMapRegisters(
NDIS_DbgPrint(MIN_TRACE, ("Didn't get enough map registers from hal - requested 0x%x, got 0x%x\n",
MapRegistersPerBaseRegister, AvailableMapRegisters));
AdapterObject->DmaOperations->PutDmaAdapter(AdapterObject);
Adapter->NdisMiniportBlock.SystemAdapterObject = NULL;
return NDIS_STATUS_RESOURCES;
}
@@ -335,6 +337,8 @@ NdisMAllocateMapRegisters(
if(!Adapter->NdisMiniportBlock.MapRegisters)
{
NDIS_DbgPrint(MIN_TRACE, ("insufficient resources.\n"));
AdapterObject->DmaOperations->PutDmaAdapter(AdapterObject);
Adapter->NdisMiniportBlock.SystemAdapterObject = NULL;
return NDIS_STATUS_RESOURCES;
}
@@ -359,6 +363,9 @@ NdisMAllocateMapRegisters(
{
NDIS_DbgPrint(MIN_TRACE, ("IoAllocateAdapterChannel failed: 0x%x\n", NtStatus));
ExFreePool(Adapter->NdisMiniportBlock.MapRegisters);
AdapterObject->DmaOperations->PutDmaAdapter(AdapterObject);
Adapter->NdisMiniportBlock.CurrentMapRegister = Adapter->NdisMiniportBlock.BaseMapRegistersNeeded = 0;
Adapter->NdisMiniportBlock.SystemAdapterObject = NULL;
return NDIS_STATUS_RESOURCES;
}
@@ -370,6 +377,9 @@ NdisMAllocateMapRegisters(
{
NDIS_DbgPrint(MIN_TRACE, ("KeWaitForSingleObject failed: 0x%x\n", NtStatus));
ExFreePool(Adapter->NdisMiniportBlock.MapRegisters);
AdapterObject->DmaOperations->PutDmaAdapter(AdapterObject);
Adapter->NdisMiniportBlock.CurrentMapRegister = Adapter->NdisMiniportBlock.BaseMapRegistersNeeded = 0;
Adapter->NdisMiniportBlock.SystemAdapterObject = NULL;
return NDIS_STATUS_RESOURCES;
}