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[USBSTOR] Do not try to retry a failed request

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for all cases except receiving a USBD_STATUS_STALL_PID status.
This decision should be made by higher-level driver (and classpnp drivers do it)
This commit is contained in:
Victor Perevertkin
2019-04-10 03:22:03 +03:00
parent c7ed299aaa
commit aaa90f6986
4 changed files with 9 additions and 27 deletions
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18
drivers/usb/usbstor/error.c
View File

@@ -107,7 +107,7 @@ USBSTOR_HandleTransferError(
pCDB = (PCDB)Request->Cdb;
ASSERT(pCDB);
if (Status != STATUS_SUCCESS || Context->RetryCount >= 1)
if (!NT_SUCCESS(Status))
{
// Complete the master IRP
Context->Irp->IoStatus.Status = Status;
@@ -124,22 +124,6 @@ USBSTOR_HandleTransferError(
// clear timer srb
Context->FDODeviceExtension->LastTimerActiveSrb = NULL;
}
else
{
DPRINT1("Retrying Count %lu %p\n", Context->RetryCount, Stack->DeviceObject);
// re-schedule request
USBSTOR_HandleExecuteSCSI(Stack->DeviceObject, Context->Irp, Context->RetryCount + 1);
// srb error handling finished
Context->FDODeviceExtension->SrbErrorHandlingActive = FALSE;
// srb error handling finished
Context->FDODeviceExtension->TimerWorkQueueEnabled = TRUE;
// clear timer srb
Context->FDODeviceExtension->LastTimerActiveSrb = NULL;
}
FreeItem(Context);

2
drivers/usb/usbstor/queue.c
View File

@@ -355,7 +355,7 @@ USBSTOR_StartIo(
return;
}
USBSTOR_HandleExecuteSCSI(IoStack->DeviceObject, Irp, 0);
USBSTOR_HandleExecuteSCSI(IoStack->DeviceObject, Irp);
// FIXME: handle error
}

11
drivers/usb/usbstor/scsi.c
View File

@@ -183,9 +183,9 @@ USBSTOR_CSWCompletionRoutine(
{
if (USBD_STATUS(Context->Urb.UrbHeader.Status) == USBD_STATUS(USBD_STATUS_STALL_PID))
{
if (Context->RetryCount < 2)
if (Context->StallRetryCount < 2)
{
++Context->RetryCount;
++Context->StallRetryCount;
// clear stall and resend cbw
Context->ErrorIndex = 1;
@@ -345,7 +345,7 @@ USBSTOR_DataCompletionRoutine(
}
else if (USBD_STATUS(Context->Urb.UrbHeader.Status) == USBD_STATUS(USBD_STATUS_STALL_PID))
{
++Context->RetryCount;
++Context->StallRetryCount;
Request->SrbStatus = SRB_STATUS_DATA_OVERRUN;
Request->DataTransferLength = Context->Urb.UrbBulkOrInterruptTransfer.TransferBufferLength;
@@ -527,7 +527,7 @@ USBSTOR_SendCBWRequest(
// initialize rest of context
Context->Irp = Irp;
Context->FDODeviceExtension = FDODeviceExtension;
Context->RetryCount = 0;
Context->StallRetryCount = 0;
return USBSTOR_IssueBulkOrInterruptRequest(
FDODeviceExtension,
@@ -586,8 +586,7 @@ USBSTOR_IssueRequestSense(
NTSTATUS
USBSTOR_HandleExecuteSCSI(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp,
IN ULONG RetryCount)
IN PIRP Irp)
{
PCDB pCDB;
NTSTATUS Status;

5
drivers/usb/usbstor/usbstor.h
View File

@@ -286,7 +286,7 @@ typedef struct
PIRP Irp;
PFDO_DEVICE_EXTENSION FDODeviceExtension;
ULONG ErrorIndex;
ULONG RetryCount;
ULONG StallRetryCount; // the number of retries after receiving USBD_STATUS_STALL_PID status
union
{
CBW cbw;
@@ -406,8 +406,7 @@ USBSTOR_GetPipeHandles(
NTSTATUS
USBSTOR_HandleExecuteSCSI(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp,
IN ULONG RetryCount);
IN PIRP Irp);
NTSTATUS
USBSTOR_SendCSWRequest(