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Commit 784b1d6b authored by Linus Torvalds's avatar Linus Torvalds
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Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/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
parents 691c5f73 4bf17af0

fs/udf/super.c

+12 −0
Original line number Diff line number Diff line
@@ -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;