1 files changed, 31 insertions, 14 deletions

diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c
index b49b55584c8..c106ca22e81 100644
--- a/fs/hfsplus/super.c
+++ b/fs/hfsplus/super.c
@@ -73,11 +73,13 @@ struct inode *hfsplus_iget(struct super_block *sb, unsigned long ino)
 
 	if (inode->i_ino >= HFSPLUS_FIRSTUSER_CNID ||
 	    inode->i_ino == HFSPLUS_ROOT_CNID) {
-		hfs_find_init(HFSPLUS_SB(inode->i_sb)->cat_tree, &fd);
-		err = hfsplus_find_cat(inode->i_sb, inode->i_ino, &fd);
-		if (!err)
-			err = hfsplus_cat_read_inode(inode, &fd);
-		hfs_find_exit(&fd);
+		err = hfs_find_init(HFSPLUS_SB(inode->i_sb)->cat_tree, &fd);
+		if (!err) {
+			err = hfsplus_find_cat(inode->i_sb, inode->i_ino, &fd);
+			if (!err)
+				err = hfsplus_cat_read_inode(inode, &fd);
+			hfs_find_exit(&fd);
+		}
 	} else {
 		err = hfsplus_system_read_inode(inode);
 	}
@@ -133,9 +135,13 @@ static int hfsplus_system_write_inode(struct inode *inode)
 static int hfsplus_write_inode(struct inode *inode,
 		struct writeback_control *wbc)
 {
+	int err;
+
 	dprint(DBG_INODE, "hfsplus_write_inode: %lu\n", inode->i_ino);
 
-	hfsplus_ext_write_extent(inode);
+	err = hfsplus_ext_write_extent(inode);
+	if (err)
+		return err;
 
 	if (inode->i_ino >= HFSPLUS_FIRSTUSER_CNID ||
 	    inode->i_ino == HFSPLUS_ROOT_CNID)
@@ -197,17 +203,17 @@ int hfsplus_sync_fs(struct super_block *sb, int wait)
 		write_backup = 1;
 	}
 
-	error2 = hfsplus_submit_bio(sb->s_bdev,
+	error2 = hfsplus_submit_bio(sb,
 				   sbi->part_start + HFSPLUS_VOLHEAD_SECTOR,
-				   sbi->s_vhdr, WRITE_SYNC);
+				   sbi->s_vhdr_buf, NULL, WRITE_SYNC);
 	if (!error)
 		error = error2;
 	if (!write_backup)
 		goto out;
 
-	error2 = hfsplus_submit_bio(sb->s_bdev,
+	error2 = hfsplus_submit_bio(sb,
 				  sbi->part_start + sbi->sect_count - 2,
-				  sbi->s_backup_vhdr, WRITE_SYNC);
+				  sbi->s_backup_vhdr_buf, NULL, WRITE_SYNC);
 	if (!error)
 		error2 = error;
 out:
@@ -251,8 +257,8 @@ static void hfsplus_put_super(struct super_block *sb)
 	hfs_btree_close(sbi->ext_tree);
 	iput(sbi->alloc_file);
 	iput(sbi->hidden_dir);
-	kfree(sbi->s_vhdr);
-	kfree(sbi->s_backup_vhdr);
+	kfree(sbi->s_vhdr_buf);
+	kfree(sbi->s_backup_vhdr_buf);
 	unload_nls(sbi->nls);
 	kfree(sb->s_fs_info);
 	sb->s_fs_info = NULL;
@@ -393,6 +399,13 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent)
 	if (!sbi->rsrc_clump_blocks)
 		sbi->rsrc_clump_blocks = 1;
 
+	err = generic_check_addressable(sbi->alloc_blksz_shift,
+					sbi->total_blocks);
+	if (err) {
+		printk(KERN_ERR "hfs: filesystem size too large.\n");
+		goto out_free_vhdr;
+	}
+
 	/* Set up operations so we can load metadata */
 	sb->s_op = &hfsplus_sops;
 	sb->s_maxbytes = MAX_LFS_FILESIZE;
@@ -417,6 +430,8 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent)
 		sb->s_flags |= MS_RDONLY;
 	}
 
+	err = -EINVAL;
+
 	/* Load metadata objects (B*Trees) */
 	sbi->ext_tree = hfs_btree_open(sb, HFSPLUS_EXT_CNID);
 	if (!sbi->ext_tree) {
@@ -447,7 +462,9 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent)
 
 	str.len = sizeof(HFSP_HIDDENDIR_NAME) - 1;
 	str.name = HFSP_HIDDENDIR_NAME;
-	hfs_find_init(sbi->cat_tree, &fd);
+	err = hfs_find_init(sbi->cat_tree, &fd);
+	if (err)
+		goto out_put_root;
 	hfsplus_cat_build_key(sb, fd.search_key, HFSPLUS_ROOT_CNID, &str);
 	if (!hfs_brec_read(&fd, &entry, sizeof(entry))) {
 		hfs_find_exit(&fd);
@@ -500,7 +517,7 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent)
 out_put_hidden_dir:
 	iput(sbi->hidden_dir);
 out_put_root:
-	iput(sbi->alloc_file);
+	iput(root);
 out_put_alloc_file:
 	iput(sbi->alloc_file);
 out_close_cat_tree: