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| author |   Jason A. Donenfeld <Jason@zx2c4.com> | 2019-07-18 11:28:25 +0000 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2019-07-18 11:28:25 +0000 |
| commit | aac642e3dc9042bfa8c35e7d463d8f9e5cf74645 (patch) | |
| tree | 35cc2d708f7195eebf3d1d1886f8159f01c2db29 /wintun.c | |
| parent | Minimize TransitionLock when sending packets (diff) | |
| download | wintun-aac642e3dc9042bfa8c35e7d463d8f9e5cf74645.tar.xz wintun-aac642e3dc9042bfa8c35e7d463d8f9e5cf74645.zip | |
Switch to paged dispatch handlers
We're not totally sure this is kosher, unfortunately.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'wintun.c')
| -rw-r--r-- | wintun.c | 11 |
1 files changed, 7 insertions, 4 deletions
@@ -680,7 +680,7 @@ TunUnregisterBuffers(_Inout_ TUN_CTX *Ctx, _In_ FILE_OBJECT *Owner) } _Dispatch_type_(IRP_MJ_DEVICE_CONTROL) -static DRIVER_DISPATCH TunDispatchDeviceControl; +static DRIVER_DISPATCH_PAGED TunDispatchDeviceControl; _Use_decl_annotations_ static NTSTATUS TunDispatchDeviceControl(DEVICE_OBJECT *DeviceObject, IRP *Irp) @@ -702,7 +702,7 @@ TunDispatchDeviceControl(DEVICE_OBJECT *DeviceObject, IRP *Irp) } _Dispatch_type_(IRP_MJ_CLOSE) -static DRIVER_DISPATCH TunDispatchClose; +static DRIVER_DISPATCH_PAGED TunDispatchClose; _Use_decl_annotations_ static NTSTATUS TunDispatchClose(DEVICE_OBJECT *DeviceObject, IRP *Irp) @@ -717,7 +717,7 @@ TunDispatchClose(DEVICE_OBJECT *DeviceObject, IRP *Irp) } _Dispatch_type_(IRP_MJ_PNP) -static DRIVER_DISPATCH TunDispatchPnP; +static DRIVER_DISPATCH_PAGED TunDispatchPnP; _Use_decl_annotations_ static NTSTATUS TunDispatchPnP(DEVICE_OBJECT *DeviceObject, IRP *Irp) @@ -794,6 +794,9 @@ TunInitializeEx( if (!MiniportAdapterHandle) return NDIS_STATUS_FAILURE; + +/* Leaking memory 'Ctx'. Note: 'Ctx' is freed in TunHaltEx or on failure. */ +#pragma warning(suppress : 6014) TUN_CTX *Ctx = ExAllocatePoolWithTag(NonPagedPoolNx, sizeof(*Ctx), TUN_MEMORY_TAG); if (!Ctx) return NDIS_STATUS_FAILURE; @@ -837,7 +840,7 @@ TunInitializeEx( .fAllocateNetBuffer = TRUE, .PoolTag = TUN_MEMORY_TAG }; -/* Leaking memory 'Ctx->NblPool'. Note: 'Ctx->NblPool' is freed in TunHaltEx; or on failure. */ +/* Leaking memory 'Ctx->NblPool'. Note: 'Ctx->NblPool' is freed in TunHaltEx or on failure. */ #pragma warning(suppress : 6014) Ctx->NblPool = NdisAllocateNetBufferListPool(MiniportAdapterHandle, &NblPoolParameters); if (Status = NDIS_STATUS_FAILURE, !Ctx->NblPool) |