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| 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/dir.c | |
| parent | 6e335cd789bee7a7111c4fe6d46b1d63cde81511 (diff) | |
| download | lwn-8f1dca19b1e11785f42e70da796942154f63aef9.tar.gz lwn-8f1dca19b1e11785f42e70da796942154f63aef9.zip | |
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/dir.c')
| -rw-r--r-- | fs/ext2/dir.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c index 4a6955a0a116..a3c77ea5a7de 100644 --- a/fs/ext2/dir.c +++ b/fs/ext2/dir.c @@ -606,8 +606,7 @@ int ext2_delete_entry (struct ext2_dir_entry_2 *dir, struct page *page, if (de->rec_len == 0) { ext2_error(inode->i_sb, __func__, "zero-length directory entry"); - err = -EIO; - goto out; + return -EIO; } pde = de; de = ext2_next_entry(de); @@ -617,7 +616,10 @@ int ext2_delete_entry (struct ext2_dir_entry_2 *dir, struct page *page, pos = page_offset(page) + from; lock_page(page); err = ext2_prepare_chunk(page, pos, to - from); - BUG_ON(err); + if (err) { + unlock_page(page); + return err; + } if (pde) pde->rec_len = ext2_rec_len_to_disk(to - from); dir->inode = 0; @@ -625,9 +627,7 @@ int ext2_delete_entry (struct ext2_dir_entry_2 *dir, struct page *page, inode->i_ctime = inode->i_mtime = current_time(inode); EXT2_I(inode)->i_flags &= ~EXT2_BTREE_FL; mark_inode_dirty(inode); - err = ext2_handle_dirsync(inode); -out: - return err; + return ext2_handle_dirsync(inode); } /* |