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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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10
drivers/usb/usbhub_new/fdo.c
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@ -914,8 +914,10 @@ CreateDeviceIds(
//
//
// Get the product string
// Get the product string if obe provided
//
if (UsbChildExtension->DeviceDesc.iProduct)
{
Status = GetUsbStringDescriptor(UsbChildDeviceObject,
UsbChildExtension->DeviceDesc.iProduct,
0,
@ -929,10 +931,13 @@ CreateDeviceIds(
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
//
if (UsbChildExtension->DeviceDesc.iSerialNumber)
{
Status = GetUsbStringDescriptor(UsbChildDeviceObject,
UsbChildExtension->DeviceDesc.iSerialNumber,
0,
@ -946,6 +951,7 @@ CreateDeviceIds(
UsbChildExtension->usInstanceId.MaximumLength = UsbChildExtension->usInstanceId.Length;
DPRINT1("Usb InstanceId %wZ\n", &UsbChildExtension->usInstanceId);
}
return Status;