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[AFD] Don't reallocate buffers if windows sizes didn't change

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This commit is contained in:
Pierre Schweitzer
2019-03-10 12:27:30 +01:00
parent ba893e1172
commit 4e07b3b9f9
1 changed files with 4 additions and 2 deletions
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6
drivers/network/afd/afd/info.c
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@@ -128,7 +128,8 @@ AfdSetInfo( PDEVICE_OBJECT DeviceObject, PIRP Irp,
FCB->Flags & AFD_ENDPOINT_CONNECTIONLESS)
{
/* FIXME: likely not right, check tcpip.sys for TDI_QUERY_MAX_DATAGRAM_INFO */
if (InfoReq->Information.Ulong > 0 && InfoReq->Information.Ulong < 0xFFFF)
if (InfoReq->Information.Ulong > 0 && InfoReq->Information.Ulong < 0xFFFF &&
InfoReq->Information.Ulong != FCB->Recv.Size)
{
NewBuffer = ExAllocatePoolWithTag(PagedPool,
InfoReq->Information.Ulong,
@@ -172,7 +173,8 @@ AfdSetInfo( PDEVICE_OBJECT DeviceObject, PIRP Irp,
if (FCB->State == SOCKET_STATE_CONNECTED ||
FCB->Flags & AFD_ENDPOINT_CONNECTIONLESS)
{
if (InfoReq->Information.Ulong > 0 && InfoReq->Information.Ulong < 0xFFFF)
if (InfoReq->Information.Ulong > 0 && InfoReq->Information.Ulong < 0xFFFF &&
InfoReq->Information.Ulong != FCB->Send.Size)
{
NewBuffer = ExAllocatePoolWithTag(PagedPool,
InfoReq->Information.Ulong,