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Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel…
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…/git/jack/linux-udf-2.6

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6:
  udf: Fix loading of VAT inode when drive wrongly reports number of recorded blocks
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Linus Torvalds committed Jul 30, 2009
2 parents 691c5f7 + 4bf17af commit 784b1d6
Showing 1 changed file with 12 additions and 0 deletions.
12 changes: 12 additions & 0 deletions fs/udf/super.c
Original file line number Diff line number Diff line change
Expand Up @@ -1087,11 +1087,23 @@ static int udf_load_vat(struct super_block *sb, int p_index, int type1_index)
struct udf_inode_info *vati;
uint32_t pos;
struct virtualAllocationTable20 *vat20;
sector_t blocks = sb->s_bdev->bd_inode->i_size >> sb->s_blocksize_bits;

/* VAT file entry is in the last recorded block */
ino.partitionReferenceNum = type1_index;
ino.logicalBlockNum = sbi->s_last_block - map->s_partition_root;
sbi->s_vat_inode = udf_iget(sb, &ino);
if (!sbi->s_vat_inode &&
sbi->s_last_block != blocks - 1) {
printk(KERN_NOTICE "UDF-fs: Failed to read VAT inode from the"
" last recorded block (%lu), retrying with the last "
"block of the device (%lu).\n",
(unsigned long)sbi->s_last_block,
(unsigned long)blocks - 1);
ino.partitionReferenceNum = type1_index;
ino.logicalBlockNum = blocks - 1 - map->s_partition_root;
sbi->s_vat_inode = udf_iget(sb, &ino);
}
if (!sbi->s_vat_inode)
return 1;

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