Commit e44543b8 authored by Thiemo Nagel's avatar Thiemo Nagel Committed by Theodore Ts'o

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
...@@ -342,7 +342,7 @@ static int ext4_valid_extent_idx(struct inode *inode, ...@@ -342,7 +342,7 @@ static int ext4_valid_extent_idx(struct inode *inode,
ext4_fsblk_t block = idx_pblock(ext_idx); ext4_fsblk_t block = idx_pblock(ext_idx);
struct ext4_super_block *es = EXT4_SB(inode->i_sb)->s_es; struct ext4_super_block *es = EXT4_SB(inode->i_sb)->s_es;
if (unlikely(block < le32_to_cpu(es->s_first_data_block) || if (unlikely(block < le32_to_cpu(es->s_first_data_block) ||
(block > ext4_blocks_count(es)))) (block >= ext4_blocks_count(es))))
return 0; return 0;
else else
return 1; return 1;
......
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