retry:
de = __f2fs_find_entry(dir, &fname, &page);
if (de && inode->i_ino == le32_to_cpu(de->ino))
- goto out_unmap_put;
+ goto out_put;
if (de) {
einode = f2fs_iget_retry(inode->i_sb, le32_to_cpu(de->ino));
err = PTR_ERR(einode);
if (err == -ENOENT)
err = -EEXIST;
- goto out_unmap_put;
+ goto out_put;
}
err = dquot_initialize(einode);
if (err) {
iput(einode);
- goto out_unmap_put;
+ goto out_put;
}
err = acquire_orphan_inode(F2FS_I_SB(inode));
if (err) {
iput(einode);
- goto out_unmap_put;
+ goto out_put;
}
f2fs_delete_entry(de, page, dir, einode);
iput(einode);
goto retry;
goto out;
-out_unmap_put:
- f2fs_dentry_kunmap(dir, page);
+out_put:
f2fs_put_page(page, 0);
out:
if (file_enc_name(inode))
struct curseg_info *curseg;
struct page *page = NULL;
block_t blkaddr;
+ unsigned int loop_cnt = 0;
+ unsigned int free_blocks = sbi->user_block_count -
+ valid_user_blocks(sbi);
int err = 0;
/* get node pages in the current segment */
if (IS_INODE(page) && is_dent_dnode(page))
entry->last_dentry = blkaddr;
next:
+ /* sanity check in order to detect looped node chain */
+ if (++loop_cnt >= free_blocks ||
+ blkaddr == next_blkaddr_of_node(page)) {
+ f2fs_msg(sbi->sb, KERN_NOTICE,
+ "%s: detect looped node chain, "
+ "blkaddr:%u, next:%u",
+ __func__, blkaddr, next_blkaddr_of_node(page));
+ err = -EINVAL;
+ break;
+ }
+
/* check next segment */
blkaddr = next_blkaddr_of_node(page);
f2fs_put_page(page, 1);