[hpoussin] 56981: freeldr: seek to correct sector number, even after ~4GB. See issue #6669 for more details.

Author: hpoussin
Date: Sun Jul 29 15:45:57 2012
New Revision: 56981

URL: http://svn.reactos.org/svn/reactos?rev=56981&view=rev
Log:
freeldr: seek to correct sector number, even after ~4GB.
See issue #6669 for more details.

Modified:
    trunk/reactos/boot/freeldr/freeldr/fs/fat.c

Modified: trunk/reactos/boot/freeldr/freeldr/fs/fat.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/fs/fa…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/fs/fat.c [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/fs/fat.c [iso-8859-1] Sun Jul 29 15:45:57 2012
@@ -1338,7 +1338,8 @@
 	//
 	// Seek to right position
 	//
-	Position.QuadPart = SectorNumber * 512;
+	Position.HighPart = SectorNumber >> 9;
+	Position.LowPart = SectorNumber << 9;
 	ret = ArcSeek(Volume->DeviceId, &Position, SeekAbsolute);
 	if (ret != ESUCCESS)
 	{