Revision: 16128
http://sourceforge.net/p/edk2/code/16128
Author: erictian
Date: 2014-09-18 06:06:25 +0000 (Thu, 18 Sep 2014)
Log Message:
-----------
MdeModulePkg/UsbBusDxe: Update Device->NumOfInterface at error handling path to
avoid system hang when DisconnectController is invoked to free resource
occupied by usb device whose interface descriptor format doesn?\226?\128?\153t
follow usb spec
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Feng Tian <[email protected]>
Reviewed-by: Star Zeng <[email protected]>
Modified Paths:
--------------
trunk/edk2/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbEnumer.c
Modified: trunk/edk2/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbEnumer.c
===================================================================
--- trunk/edk2/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbEnumer.c 2014-09-18
01:58:03 UTC (rev 16127)
+++ trunk/edk2/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbEnumer.c 2014-09-18
06:06:25 UTC (rev 16128)
@@ -2,7 +2,7 @@
Usb bus enumeration support.
-Copyright (c) 2007 - 2013, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD
License
which accompanies this distribution. The full text of the license may be
found at
@@ -420,6 +420,7 @@
UsbIf = UsbCreateInterface (Device, ConfigDesc->Interfaces[Index]);
if (UsbIf == NULL) {
+ Device->NumOfInterface = Index;
return EFI_OUT_OF_RESOURCES;
}
------------------------------------------------------------------------------
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