[ros-diffs] [hpoussin] 18497: Sorry, most devices were reinstalled at each boot, as the calculated crc32 for the parent was changing.

Sorry, most devices were reinstalled at each boot, as the calculated
crc32 for the parent was changing.
Prevent this by using only the parent InstancePath instead of the whole
DEVICE_NODE structure
Modified: trunk/reactos/ntoskrnl/io/pnpmgr.c
  _____  

Modified: trunk/reactos/ntoskrnl/io/pnpmgr.c
--- trunk/reactos/ntoskrnl/io/pnpmgr.c	2005-10-16 11:17:26 UTC (rev
18496)
+++ trunk/reactos/ntoskrnl/io/pnpmgr.c	2005-10-16 14:10:29 UTC (rev
18497)
@@ -1415,8 +1415,8 @@

       goto cleanup;
 
    /* 2. Create the ParentIdPrefix value */
-   currentByte = (PBYTE)DeviceNode->Parent;
-   for (i = 0; i < sizeof(DEVICE_NODE); i++, currentByte++)
+   currentByte = (PBYTE)DeviceNode->Parent->InstancePath.Buffer;
+   for (i = 0; i < DeviceNode->Parent->InstancePath.Length; i++,
currentByte++)
       crc32 = (crc32 >> 8) ^ crc32Table[*currentByte ^ (crc32 & 0xff)];
    crc32 = ~crc32;
    KeyValue.Buffer = (PWSTR)ParentIdPrefixInformation->Data;