udf: Fix bug in VAT mapping code
Fix mapping of blocks using VAT when it is stored in an inode.
UDF_I(inode)->i_data already points to the beginning of VAT header so there's
no need to add udf_ext0_offset(inode).
Signed-off-by: Sebastian Manciulea <manciuleas@yahoo.com>
Signed-off-by: Jan Kara <jack@suse.cz>
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 29b1967..8f02b30 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -1215,8 +1215,7 @@
return 1;
if (map->s_partition_type == UDF_VIRTUAL_MAP15) {
- map->s_type_specific.s_virtual.s_start_offset =
- udf_ext0_offset(sbi->s_vat_inode);
+ map->s_type_specific.s_virtual.s_start_offset = 0;
map->s_type_specific.s_virtual.s_num_entries =
(sbi->s_vat_inode->i_size - 36) >> 2;
} else if (map->s_partition_type == UDF_VIRTUAL_MAP20) {
@@ -1233,8 +1232,7 @@
}
map->s_type_specific.s_virtual.s_start_offset =
- le16_to_cpu(vat20->lengthHeader) +
- udf_ext0_offset(sbi->s_vat_inode);
+ le16_to_cpu(vat20->lengthHeader);
map->s_type_specific.s_virtual.s_num_entries =
(sbi->s_vat_inode->i_size -
map->s_type_specific.s_virtual.