diff options
Diffstat (limited to 'firmware/lib/vboot_api_kernel.c')
| -rw-r--r-- | firmware/lib/vboot_api_kernel.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/firmware/lib/vboot_api_kernel.c b/firmware/lib/vboot_api_kernel.c index 8016fae0..3ae3cd4d 100644 --- a/firmware/lib/vboot_api_kernel.c +++ b/firmware/lib/vboot_api_kernel.c @@ -100,14 +100,15 @@ uint32_t VbTryLoadKernel(struct vb2_context *ctx, uint32_t get_info_flags) * Sanity-check what we can. FWIW, VbTryLoadKernel() is always * called with only a single bit set in get_info_flags. * - * Ensure 512-byte sectors and non-trivially sized disk (for - * cgptlib) and that we got a partition with only the flags we - * asked for. + * Ensure that we got a partition with only the flags we asked + * for. */ - if (512 != disk_info[i].bytes_per_lba || - 16 > disk_info[i].lba_count || - get_info_flags != (disk_info[i].flags & - ~VB_DISK_FLAG_EXTERNAL_GPT)) { + if (disk_info[i].bytes_per_lba < 512 || + (disk_info[i].bytes_per_lba & + (disk_info[i].bytes_per_lba - 1)) != 0 || + 16 > disk_info[i].lba_count || + get_info_flags != (disk_info[i].flags & + ~VB_DISK_FLAG_EXTERNAL_GPT)) { VB2_DEBUG(" skipping: bytes_per_lba=%" PRIu64 " lba_count=%" PRIu64 " flags=0x%x\n", disk_info[i].bytes_per_lba, |