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[FREELDR]

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Fix CDs checksum computation
[NTOSKRNL]
Fix ARC names accordingly

svn path=/trunk/; revision=49040
This commit is contained in:
Pierre Schweitzer 2010-10-07 19:16:09 +00:00
parent 40dba5e526
commit 5686788c8b
2 changed files with 2 additions and 1 deletions
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1
reactos/boot/freeldr/freeldr/arch/i386/hardware.c
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@ -1004,6 +1004,7 @@ DetectBiosDisks(PCONFIGURATION_COMPONENT_DATA BusKey)
/* Calculate the MBR checksum */
for (i = 0; i < 2048 / sizeof(ULONG); i++) Checksum += Buffer[i];
Checksum = ~Checksum + 1;
DPRINTM(DPRINT_HWDETECT, "Checksum: %x\n", Checksum);
/* Fill out the ARC disk block */

2
reactos/ntoskrnl/io/iomgr/arcname.c
View file

@ -368,7 +368,7 @@ IopAssignArcNamesToCdrom(IN PLOADER_PARAMETER_BLOCK LoaderBlock,
ARC_DISK_SIGNATURE,
ListEntry);
/* And check if checksums and arc names match */
if (CheckSum == ArcDiskEntry->CheckSum &&
if (CheckSum + ArcDiskEntry->CheckSum == 0 &&
strcmp(KeLoaderBlock->ArcBootDeviceName, ArcDiskEntry->ArcName) == 0)
{
IsBootCdRom = TRUE;