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[USBHUB_NEW]

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- Only get the string descriptors if they are available. Fixes crash when using usb mouse and keyboards in windows.

svn path=/branches/usb-bringup/; revision=51688
This commit is contained in:
Michael Martin 2011-05-12 23:31:32 +00:00
parent 76310d7679
commit 9d7751a2f6
1 changed files with 30 additions and 24 deletions
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54
drivers/usb/usbhub_new/fdo.c
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@ -914,38 +914,44 @@ CreateDeviceIds(
// //
// //
// Get the product string // Get the product string if obe provided
// //
Status = GetUsbStringDescriptor(UsbChildDeviceObject, if (UsbChildExtension->DeviceDesc.iProduct)
UsbChildExtension->DeviceDesc.iProduct,
0,
(PVOID*)&UsbChildExtension->usTextDescription.Buffer,
&UsbChildExtension->usTextDescription.Length);
if (!NT_SUCCESS(Status))
{ {
DPRINT1("USBHUB: GetUsbStringDescriptor failed with status %x\n", Status); Status = GetUsbStringDescriptor(UsbChildDeviceObject,
goto Cleanup; UsbChildExtension->DeviceDesc.iProduct,
0,
(PVOID*)&UsbChildExtension->usTextDescription.Buffer,
&UsbChildExtension->usTextDescription.Length);
if (!NT_SUCCESS(Status))
{
DPRINT1("USBHUB: GetUsbStringDescriptor failed with status %x\n", Status);
goto Cleanup;
}
UsbChildExtension->usTextDescription.MaximumLength = UsbChildExtension->usTextDescription.Length;
DPRINT1("Usb TextDescription %wZ\n", &UsbChildExtension->usTextDescription);
} }
UsbChildExtension->usTextDescription.MaximumLength = UsbChildExtension->usTextDescription.Length;
DPRINT1("Usb TextDescription %wZ\n", &UsbChildExtension->usTextDescription);
// //
// Get the Serial Number string // Get the Serial Number string if obe provided
// //
Status = GetUsbStringDescriptor(UsbChildDeviceObject, if (UsbChildExtension->DeviceDesc.iSerialNumber)
UsbChildExtension->DeviceDesc.iSerialNumber,
0,
(PVOID*)&UsbChildExtension->usInstanceId.Buffer,
&UsbChildExtension->usInstanceId.Length);
if (!NT_SUCCESS(Status))
{ {
DPRINT1("USBHUB: GetUsbStringDescriptor failed with status %x\n", Status); Status = GetUsbStringDescriptor(UsbChildDeviceObject,
goto Cleanup; UsbChildExtension->DeviceDesc.iSerialNumber,
} 0,
(PVOID*)&UsbChildExtension->usInstanceId.Buffer,
&UsbChildExtension->usInstanceId.Length);
if (!NT_SUCCESS(Status))
{
DPRINT1("USBHUB: GetUsbStringDescriptor failed with status %x\n", Status);
goto Cleanup;
}
UsbChildExtension->usInstanceId.MaximumLength = UsbChildExtension->usInstanceId.Length; UsbChildExtension->usInstanceId.MaximumLength = UsbChildExtension->usInstanceId.Length;
DPRINT1("Usb InstanceId %wZ\n", &UsbChildExtension->usInstanceId); DPRINT1("Usb InstanceId %wZ\n", &UsbChildExtension->usInstanceId);
}
return Status; return Status;