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Commit e44543b8 authored by Thiemo Nagel's avatar Thiemo Nagel Committed by Theodore Ts'o
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ext4: Fix off-by-one-error in ext4_valid_extent_idx() 



Signed-off-by: default avatarThiemo Nagel <thiemo.nagel@ph.tum.de>
Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
parent f73953c0

fs/ext4/extents.c

+1 −1
Original line number Diff line number Diff line
@@ -342,7 +342,7 @@ static int ext4_valid_extent_idx(struct inode *inode, 
	ext4_fsblk_t block = idx_pblock(ext_idx);

	struct ext4_super_block *es = EXT4_SB(inode->i_sb)->s_es;

	if (unlikely(block < le32_to_cpu(es->s_first_data_block) ||

			(block > ext4_blocks_count(es))))

			(block >= ext4_blocks_count(es))))

		return 0;

	else

		return 1;