static inline void *comedi_aux_data(int options[], int n)
 {
        unsigned long address;
-       unsigned long addressLow;
+       unsigned long address_low;
        int bit_shift;
        if (sizeof(int) >= sizeof(void *))
                address = options[COMEDI_DEVCONF_AUX_DATA_LO];
                address = options[COMEDI_DEVCONF_AUX_DATA_HI];
                bit_shift = sizeof(int) * 8;
                address <<= bit_shift;
-               addressLow = options[COMEDI_DEVCONF_AUX_DATA_LO];
-               addressLow &= (1UL << bit_shift) - 1;
-               address |= addressLow;
+               address_low = options[COMEDI_DEVCONF_AUX_DATA_LO];
+               address_low &= (1UL << bit_shift) - 1;
+               address |= address_low;
        }
        if (n >= 1)
                address += options[COMEDI_DEVCONF_AUX_DATA0_LENGTH];