614         struct serial_struct ss;  in serial_struct_ioctl()  local
622                 if (__copy_from_user(&ss, ss32, offsetof(SS32, iomem_base)))  in serial_struct_ioctl()
626                 ss.iomem_base = compat_ptr(udata);  in serial_struct_ioctl()
627                 if (__get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||  in serial_struct_ioctl()
628 		    __get_user(ss.port_high, &ss32->port_high))  in serial_struct_ioctl()
630                 ss.iomap_base = 0UL;  in serial_struct_ioctl()
633                 err = sys_ioctl(fd,cmd,(unsigned long)(&ss));  in serial_struct_ioctl()
638                 if (__copy_to_user(ss32,&ss,offsetof(SS32,iomem_base)))  in serial_struct_ioctl()
640 		base = (unsigned long)ss.iomem_base  >> 32 ?  in serial_struct_ioctl()
641 			0xffffffff : (unsigned)(unsigned long)ss.iomem_base;  in serial_struct_ioctl()
643 		    __put_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||  in serial_struct_ioctl()
644 		    __put_user(ss.port_high, &ss32->port_high))  in serial_struct_ioctl()