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authorLiu Song2018-08-02 06:11:16 +0200
committerTheodore Ts'o2018-08-02 06:11:16 +0200
commitbc716523462f98ea6bfef3e1a5926daadbf32e9e (patch)
treea517b11b54edcae628c69c32899d68039f564664 /fs/ext4/inode.c
parentext4: fix spectre gadget in ext4_mb_regular_allocator() (diff)
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ext4: improve code readability in ext4_iget()
Merge the duplicated complex conditions to improve code readability. Signed-off-by: Liu Song <liu.song11@zte.com.cn> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Jiang Biao <jiang.biao2@zte.com.cn>
Diffstat (limited to 'fs/ext4/inode.c')
-rw-r--r--fs/ext4/inode.c17
1 files changed, 7 insertions, 10 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 60432498acfb..8f6ad7667974 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4982,17 +4982,14 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
ret = -EFSCORRUPTED;
goto bad_inode;
} else if (!ext4_has_inline_data(inode)) {
- if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) {
- if ((S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
- (S_ISLNK(inode->i_mode) &&
- !ext4_inode_is_fast_symlink(inode))))
- /* Validate extent which is part of inode */
+ /* validate the block references in the inode */
+ if (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
+ (S_ISLNK(inode->i_mode) &&
+ !ext4_inode_is_fast_symlink(inode))) {
+ if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))
ret = ext4_ext_check_inode(inode);
- } else if (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
- (S_ISLNK(inode->i_mode) &&
- !ext4_inode_is_fast_symlink(inode))) {
- /* Validate block references which are part of inode */
- ret = ext4_ind_check_inode(inode);
+ else
+ ret = ext4_ind_check_inode(inode);
}
}
if (ret)