/* Check the BAR type and set our address mask */
if (bar_response & PCI_BASE_ADDRESS_SPACE) {
- bar_size = ~(bar_response & PCI_BASE_ADDRESS_IO_MASK) + 1;
+ bar_size = ((~(bar_response & PCI_BASE_ADDRESS_IO_MASK))
+ & 0xffff) + 1;
bar_res = io;
DEBUGF("PCI Autoconfig: BAR %d, I/O, size=0x%x, ", bar_nr, bar_size);