kfree(sb->s_fs_info); sb->s_fs_info = NULL; 
static void hfsplus_put_super(struct super_block *sb){	dprint(DBG_SUPER, "hfsplus_put_super\n");	if (!(sb->s_flags & MS_RDONLY)) {		struct hfsplus_vh *vhdr = HFSPLUS_SB(sb).s_vhdr;		vhdr->modify_date = hfsp_now2mt();		vhdr->attributes |= cpu_to_be32(HFSPLUS_VOL_UNMNT);		vhdr->attributes &= cpu_to_be32(~HFSPLUS_VOL_INCNSTNT);		mark_buffer_dirty(HFSPLUS_SB(sb).s_vhbh);		ll_rw_block(WRITE, 1, &HFSPLUS_SB(sb).s_vhbh);		wait_on_buffer(HFSPLUS_SB(sb).s_vhbh);	}	hfs_btree_close(HFSPLUS_SB(sb).cat_tree);	hfs_btree_close(HFSPLUS_SB(sb).ext_tree);	iput(HFSPLUS_SB(sb).alloc_file);	iput(HFSPLUS_SB(sb).hidden_dir);	brelse(HFSPLUS_SB(sb).s_vhbh);	if (HFSPLUS_SB(sb).nls)		unload_nls(HFSPLUS_SB(sb).nls);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/945b092011c6af71a0107be96e119c8c08776f3f/super.c/buggy/fs/hfsplus/super.c