f2fs: convert recover_orphan_inodes to void

The recover_orphan_inodes() returns no error all the time, so we don't need to
check its errors.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
[Jaegeuk Kim: add description]
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index c7e0572..40eea42 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -271,12 +271,12 @@
 	iput(inode);
 }
 
-int recover_orphan_inodes(struct f2fs_sb_info *sbi)
+void recover_orphan_inodes(struct f2fs_sb_info *sbi)
 {
 	block_t start_blk, orphan_blkaddr, i, j;
 
 	if (!is_set_ckpt_flags(F2FS_CKPT(sbi), CP_ORPHAN_PRESENT_FLAG))
-		return 0;
+		return;
 
 	sbi->por_doing = true;
 	start_blk = __start_cp_addr(sbi) + 1;
@@ -296,7 +296,7 @@
 	/* clear Orphan Flag */
 	clear_ckpt_flags(F2FS_CKPT(sbi), CP_ORPHAN_PRESENT_FLAG);
 	sbi->por_doing = false;
-	return 0;
+	return;
 }
 
 static void write_orphan_inodes(struct f2fs_sb_info *sbi, block_t start_blk)
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 9a76c83..ca33cda 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1126,7 +1126,7 @@
 void release_orphan_inode(struct f2fs_sb_info *);
 void add_orphan_inode(struct f2fs_sb_info *, nid_t);
 void remove_orphan_inode(struct f2fs_sb_info *, nid_t);
-int recover_orphan_inodes(struct f2fs_sb_info *);
+void recover_orphan_inodes(struct f2fs_sb_info *);
 int get_valid_checkpoint(struct f2fs_sb_info *);
 void set_dirty_dir_page(struct inode *, struct page *);
 void add_dirty_dir_inode(struct inode *);
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 43f11ca..dd55074 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -952,9 +952,7 @@
 	}
 
 	/* if there are nt orphan nodes free them */
-	err = -EINVAL;
-	if (recover_orphan_inodes(sbi))
-		goto free_node_inode;
+	recover_orphan_inodes(sbi);
 
 	/* read root inode and dentry */
 	root = f2fs_iget(sb, F2FS_ROOT_INO(sbi));
@@ -963,8 +961,10 @@
 		err = PTR_ERR(root);
 		goto free_node_inode;
 	}
-	if (!S_ISDIR(root->i_mode) || !root->i_blocks || !root->i_size)
+	if (!S_ISDIR(root->i_mode) || !root->i_blocks || !root->i_size) {
+		err = -EINVAL;
 		goto free_root_inode;
+	}
 
 	sb->s_root = d_make_root(root); /* allocate root dentry */
 	if (!sb->s_root) {