[PATCH 07/16] ext2: make sure that partially set up inodes won't be returned by ext2_iget()

From: Al Viro
Date: Sun Jul 29 2018 - 18:06:34 EST


From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
fs/ext2/ialloc.c | 3 +--
fs/ext2/namei.c | 9 +++------
2 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
index 6484199b35d1..5c3d7b7e4975 100644
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -611,8 +611,7 @@ struct inode *ext2_new_inode(struct inode *dir, umode_t mode,
dquot_drop(inode);
inode->i_flags |= S_NOQUOTA;
clear_nlink(inode);
- unlock_new_inode(inode);
- iput(inode);
+ discard_new_inode(inode);
return ERR_PTR(err);

fail:
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index 152453a91877..0c26dcc5d850 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -45,8 +45,7 @@ static inline int ext2_add_nondir(struct dentry *dentry, struct inode *inode)
return 0;
}
inode_dec_link_count(inode);
- unlock_new_inode(inode);
- iput(inode);
+ discard_new_inode(inode);
return err;
}

@@ -192,8 +191,7 @@ static int ext2_symlink (struct inode * dir, struct dentry * dentry,

out_fail:
inode_dec_link_count(inode);
- unlock_new_inode(inode);
- iput (inode);
+ discard_new_inode(inode);
goto out;
}

@@ -261,8 +259,7 @@ static int ext2_mkdir(struct inode * dir, struct dentry * dentry, umode_t mode)
out_fail:
inode_dec_link_count(inode);
inode_dec_link_count(inode);
- unlock_new_inode(inode);
- iput(inode);
+ discard_new_inode(inode);
out_dir:
inode_dec_link_count(dir);
goto out;
--
2.11.0