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ext4: correct the misjudgment in ext4_iget_extra_inode

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commit fd7e672ea98b95b9d4c9dae316639f03c16a749d upstream.

Use the EXT4_INODE_HAS_XATTR_SPACE macro to more accurately
determine whether the inode have xattr space.

Cc: stable@kernel.org
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220616021358.2504451-5-libaokun1@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Baokun Li 2022-06-16 10:13:58 +08:00 committed by Greg Kroah-Hartman
parent be9614e15e
commit 8887ef07ff
1 changed files with 1 additions and 2 deletions
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3
fs/ext4/inode.c
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@ -4841,8 +4841,7 @@ static inline int ext4_iget_extra_inode(struct inode *inode,
__le32 *magic = (void *)raw_inode +
EXT4_GOOD_OLD_INODE_SIZE + ei->i_extra_isize;
if (EXT4_GOOD_OLD_INODE_SIZE + ei->i_extra_isize + sizeof(__le32) <=
EXT4_INODE_SIZE(inode->i_sb) &&
if (EXT4_INODE_HAS_XATTR_SPACE(inode) &&
*magic == cpu_to_le32(EXT4_XATTR_MAGIC)) {
ext4_set_inode_state(inode, EXT4_STATE_XATTR);
return ext4_find_inline_data_nolock(inode);