rem: if (!CHECK_USER_ADDRESS(uname))
add: if (!CHECK_USER_ADDRESS(userName))
context: user_open_entry_ref(dev_t device, ino_t inode, const char *uname, int omode){	char name[B_FILE_NAME_LENGTH];	int status;	if (!CHECK_USER_ADDRESS(uname))		return ERR_VM_BAD_USER_MEMORY;	status = user_strncpy(name, uname, sizeof(name) - 1);	if (status < B_OK)		return status;	name[sizeof(name) - 1] = '\0';	return file_open_entry_ref(device, inode, name, omode, false);}