Cleanup and sanity-checking of unintentional integer overflow, unsigned/zero comparis...

[palacios.git] / palacios / src / devices / ata.h

diff --git a/palacios/src/devices/ata.h b/palacios/src/devices/ata.h
index d79e012..c6ad4b4 100644 (file)
--- a/palacios/src/devices/ata.h
+++ b/palacios/src/devices/ata.h
@@ -215,7 +215,7 @@ static int ata_get_lba_and_size(struct ide_internal * ide, struct ide_channel *
            // we are in CHS mode....
            
            *lba = 
-               (drive->cylinder * drive->num_heads + 
+               ((uint64_t)drive->cylinder * drive->num_heads + 
                 channel->drive_head.head_num) * drive->num_sectors +
                // sector number is 1 based
                (drive->sector_num - 1);