if (sb->s_fs_info) { kfree(sb->s_fs_info); sb->s_fs_info = NULL; } 
kfree(sb->s_fs_info); sb->s_fs_info = NULL; 
befs_put_super(struct super_block *sb){	if (BEFS_SB(sb)->mount_opts.iocharset) {		kfree(BEFS_SB(sb)->mount_opts.iocharset);		BEFS_SB(sb)->mount_opts.iocharset = NULL;	}	if (BEFS_SB(sb)->nls) {		unload_nls(BEFS_SB(sb)->nls);		BEFS_SB(sb)->nls = NULL;	}	if (sb->s_fs_info) {		kfree(sb->s_fs_info);		sb->s_fs_info = NULL;	}	return;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/f99d49adf527fa6f7a9c42257fa76bca6b8df1e3/linuxvfs.c/buggy/fs/befs/linuxvfs.c