[janderwald] 57598: [USBD] - Don't assert on invalid usb descriptor - Core-6574

Author: janderwald
Date: Tue Oct 23 04:54:37 2012
New Revision: 57598

URL: http://svn.reactos.org/svn/reactos?rev=57598&view=rev
Log:
[USBD]
- Don't assert on invalid usb descriptor
- Core-6574

Modified:
    trunk/reactos/drivers/usb/usbd/usbd.c

Modified: trunk/reactos/drivers/usb/usbd/usbd.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/usb/usbd/usbd.c?re…
==============================================================================
--- trunk/reactos/drivers/usb/usbd/usbd.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/usb/usbd/usbd.c [iso-8859-1] Tue Oct 23 04:54:37 2012
@@ -474,8 +474,11 @@
            return CommonDescriptor;
        }
 
-       /* sanity check */
-       ASSERT(CommonDescriptor->bLength);
+       if (CommonDescriptor->bLength == 0)
+       {
+           /* invalid usb descriptor */
+           return NULL;
+       }
 
        /* move to next descriptor */
        CommonDescriptor = (PUSB_COMMON_DESCRIPTOR)((ULONG_PTR)CommonDescriptor +
CommonDescriptor->bLength);