diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2023-01-11 15:21:52 -0500 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2023-05-29 11:03:06 +0200 |
| commit | 8f1dca19b1e11785f42e70da796942154f63aef9 (patch) | |
| tree | 6f315d51bfa79b6ad434c2c607c2ccad1c96592c /fs/ext2/namei.c | |
| parent | 6e335cd789bee7a7111c4fe6d46b1d63cde81511 (diff) | |
ext2_rename(): set_link and delete_entry may fail
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Reviewed-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Tested-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/ext2/namei.c')
| -rw-r--r-- | fs/ext2/namei.c | 29 |
1 files changed, 10 insertions, 19 deletions
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c index 7f5dfa87cc95..dafdd2d41876 100644 --- a/fs/ext2/namei.c +++ b/fs/ext2/namei.c @@ -335,18 +335,16 @@ static int ext2_rename (struct mnt_idmap * idmap, err = dquot_initialize(old_dir); if (err) - goto out; + return err; err = dquot_initialize(new_dir); if (err) - goto out; + return err; old_de = ext2_find_entry(old_dir, &old_dentry->d_name, &old_page, &old_page_addr); - if (IS_ERR(old_de)) { - err = PTR_ERR(old_de); - goto out; - } + if (IS_ERR(old_de)) + return PTR_ERR(old_de); if (S_ISDIR(old_inode->i_mode)) { err = -EIO; @@ -394,27 +392,20 @@ static int ext2_rename (struct mnt_idmap * idmap, old_inode->i_ctime = current_time(old_inode); mark_inode_dirty(old_inode); - ext2_delete_entry(old_de, old_page, old_page_addr); - - if (dir_de) { - if (old_dir != new_dir) { + err = ext2_delete_entry(old_de, old_page, old_page_addr); + if (!err && dir_de) { + if (old_dir != new_dir) err = ext2_set_link(old_inode, dir_de, dir_page, dir_page_addr, new_dir, false); - } - ext2_put_page(dir_page, dir_page_addr); inode_dec_link_count(old_dir); } - -out_old: - ext2_put_page(old_page, old_page_addr); -out: - return err; - out_dir: if (dir_de) ext2_put_page(dir_page, dir_page_addr); - goto out_old; +out_old: + ext2_put_page(old_page, old_page_addr); + return err; } const struct inode_operations ext2_dir_inode_operations = { |