1533 	unsigned int r_len;  in __dn_getsockopt()  local
1537 	if(get_user(r_len , optlen))  in __dn_getsockopt()
1542 		if (r_len > sizeof(struct optdata_dn))  in __dn_getsockopt()
1543 			r_len = sizeof(struct optdata_dn);  in __dn_getsockopt()
1548 		if (r_len > sizeof(struct optdata_dn))  in __dn_getsockopt()
1549 			r_len = sizeof(struct optdata_dn);  in __dn_getsockopt()
1554 		if (r_len > sizeof(struct accessdata_dn))  in __dn_getsockopt()
1555 			r_len = sizeof(struct accessdata_dn);  in __dn_getsockopt()
1560 		if (r_len > sizeof(unsigned char))  in __dn_getsockopt()
1561 			r_len = sizeof(unsigned char);  in __dn_getsockopt()
1566 		if (r_len > sizeof(struct linkinfo_dn))  in __dn_getsockopt()
1567 			r_len = sizeof(struct linkinfo_dn);  in __dn_getsockopt()
1590 		if (r_len > sizeof(unsigned long))  in __dn_getsockopt()
1591 			r_len = sizeof(unsigned long);  in __dn_getsockopt()
1596 		if (r_len > sizeof(int))  in __dn_getsockopt()
1597 			r_len = sizeof(int);  in __dn_getsockopt()
1603 		if (r_len > sizeof(int))  in __dn_getsockopt()
1604 			r_len = sizeof(int);  in __dn_getsockopt()
1610 		if (r_len > sizeof(unsigned char))  in __dn_getsockopt()
1611 			r_len = sizeof(unsigned char);  in __dn_getsockopt()
1616 		if (r_len > sizeof(unsigned char))  in __dn_getsockopt()
1617 			r_len = sizeof(unsigned char);  in __dn_getsockopt()
1630 		if (copy_to_user(optval, r_data, r_len))  in __dn_getsockopt()
1632 		if (put_user(r_len, optlen))  in __dn_getsockopt()