From a9399f2e1e5819fdd9bd2a4d35d32420dd6cc679 Mon Sep 17 00:00:00 2001 From: Andrei Borzenkov Date: Sat, 19 Dec 2015 11:32:26 +0300 Subject: [PATCH] windows: correct LBA in generated EFI HDD media paths GRUB keeps partition offset and size in units of 512B sectors. Media paths are defined in terms of LBA which are presumed to match HDD sector size. This is probably cosmetic (EFI requires that partition is searched by GUID) and still incorrect if GPT was created using different logical block size. But current code is obviously wrong and new has better chances to be correct. --- grub-core/osdep/windows/platform.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/grub-core/osdep/windows/platform.c b/grub-core/osdep/windows/platform.c index d217efe17..912269191 100644 --- a/grub-core/osdep/windows/platform.c +++ b/grub-core/osdep/windows/platform.c @@ -370,9 +370,9 @@ grub_install_register_efi (grub_device_t efidir_grub_dev, } hddp->partition_start = grub_partition_get_start (efidir_grub_dev->disk->partition) - << (efidir_grub_dev->disk->log_sector_size - GRUB_DISK_SECTOR_BITS); + >> (efidir_grub_dev->disk->log_sector_size - GRUB_DISK_SECTOR_BITS); hddp->partition_size = grub_disk_get_size (efidir_grub_dev->disk) - << (efidir_grub_dev->disk->log_sector_size - GRUB_DISK_SECTOR_BITS); + >> (efidir_grub_dev->disk->log_sector_size - GRUB_DISK_SECTOR_BITS); pathptr = hddp + 1; filep = pathptr;