diff --git a/fs/minix/dir.c b/fs/minix/dir.c index 242e179aa1fb..34c1cdb5dc7d 100644 --- a/fs/minix/dir.c +++ b/fs/minix/dir.c @@ -410,8 +410,8 @@ not_empty: } /* Releases the page */ -void minix_set_link(struct minix_dir_entry *de, struct page *page, - struct inode *inode) +int minix_set_link(struct minix_dir_entry *de, struct page *page, + struct inode *inode) { struct inode *dir = page->mapping->host; struct minix_sb_info *sbi = minix_sb(dir->i_sb); @@ -420,19 +420,21 @@ void minix_set_link(struct minix_dir_entry *de, struct page *page, int err; lock_page(page); - err = minix_prepare_chunk(page, pos, sbi->s_dirsize); - if (err == 0) { - if (sbi->s_version == MINIX_V3) - ((minix3_dirent *) de)->inode = inode->i_ino; - else - de->inode = inode->i_ino; - err = dir_commit_chunk(page, pos, sbi->s_dirsize); - } else { + if (err) { unlock_page(page); + return err; } + if (sbi->s_version == MINIX_V3) + ((minix3_dirent *)de)->inode = inode->i_ino; + else + de->inode = inode->i_ino; + err = dir_commit_chunk(page, pos, sbi->s_dirsize); + if (err) + return err; dir->i_mtime = dir->i_ctime = current_time(dir); mark_inode_dirty(dir); + return 0; } struct minix_dir_entry * minix_dotdot (struct inode *dir, struct page **p) diff --git a/fs/minix/minix.h b/fs/minix/minix.h index 7158a68bdc63..65c19e078ec4 100644 --- a/fs/minix/minix.h +++ b/fs/minix/minix.h @@ -69,7 +69,8 @@ extern int minix_add_link(struct dentry*, struct inode*); extern int minix_delete_entry(struct minix_dir_entry*, struct page*); extern int minix_make_empty(struct inode*, struct inode*); extern int minix_empty_dir(struct inode*); -extern void minix_set_link(struct minix_dir_entry*, struct page*, struct inode*); +int minix_set_link(struct minix_dir_entry *de, struct page *page, + struct inode *inode); extern struct minix_dir_entry *minix_dotdot(struct inode*, struct page**); extern ino_t minix_inode_by_name(struct dentry*); diff --git a/fs/minix/namei.c b/fs/minix/namei.c index 7dc481418871..382ead96bf54 100644 --- a/fs/minix/namei.c +++ b/fs/minix/namei.c @@ -213,10 +213,11 @@ static int minix_rename(struct user_namespace *mnt_userns, new_de = minix_find_entry(new_dentry, &new_page); if (!new_de) goto out_dir; - err = 0; - minix_set_link(new_de, new_page, old_inode); + err = minix_set_link(new_de, new_page, old_inode); kunmap(new_page); put_page(new_page); + if (err) + goto out_dir; new_inode->i_ctime = current_time(new_inode); if (dir_de) drop_nlink(new_inode); @@ -233,8 +234,9 @@ static int minix_rename(struct user_namespace *mnt_userns, mark_inode_dirty(old_inode); if (dir_de) { - minix_set_link(dir_de, dir_page, new_dir); - inode_dec_link_count(old_dir); + err = minix_set_link(dir_de, dir_page, new_dir); + if (!err) + inode_dec_link_count(old_dir); } out_dir: if (dir_de) {