Commit 4f7874c8 authored by Jan Kara's avatar Jan Kara
Browse files

udf: Silence warning about accesses beyond end of device 



Some of the computed positions of anchor block could be beyond the end of
device. Skip reading such blocks.

Signed-off-by: default avatarJan Kara <jack@suse.cz>
parent 5fb28aa2

fs/udf/super.c

+5 −1
Original line number Diff line number Diff line
@@ -688,8 +688,12 @@ static int udf_check_anchor_block(struct super_block *sb, sector_t block, 
	uint16_t ident;

	uint32_t location;



	if (varconv)

	if (varconv) {

		if (udf_fixed_to_variable(block) >=

		    sb->s_bdev->bd_inode->i_size >> sb->s_blocksize_bits)

			return 0;

		bh = sb_bread(sb, udf_fixed_to_variable(block));

	}

	else

		bh = sb_bread(sb, block);