diff options
| -rw-r--r-- | block/partitions/efi.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/block/partitions/efi.c b/block/partitions/efi.c index aaa3dc487cb5..7ca5c4c374d4 100644 --- a/block/partitions/efi.c +++ b/block/partitions/efi.c @@ -585,6 +585,8 @@ static int find_valid_gpt(struct parsed_partitions *state, gpt_header **gpt, gpt_header *pgpt = NULL, *agpt = NULL; gpt_entry *pptes = NULL, *aptes = NULL; legacy_mbr *legacymbr; + struct gendisk *disk = state->disk; + const struct block_device_operations *fops = disk->fops; sector_t total_sectors = get_capacity(state->disk); u64 lastlba; @@ -619,6 +621,16 @@ static int find_valid_gpt(struct parsed_partitions *state, gpt_header **gpt, if (!good_agpt && force_gpt) good_agpt = is_gpt_valid(state, lastlba, &agpt, &aptes); + if (!good_agpt && force_gpt && fops->alternative_gpt_sector) { + sector_t agpt_sector; + int err; + + err = fops->alternative_gpt_sector(disk, &agpt_sector); + if (!err) + good_agpt = is_gpt_valid(state, agpt_sector, + &agpt, &aptes); + } + /* The obviously unsuccessful case */ if (!good_pgpt && !good_agpt) goto fail; |