tree de78b151877babafbec27b4ae9289673d633a518
parent 9d60ef2bd87f201c509cfae13ba6c9013446673d
author Clemens Ladisch <clemens@ladisch.de> 1338838087 +0200
committer Stefan Richter <stefanr@s5r6.in-berlin.de> 1338850657 +0200

firewire: ohci: sanity-check MMIO resource

pci_request_region() does not fail on resources that have not been
allocated by the BIOS or by the kernel, so to avoid accessing
registers that are not there, we have to check for this explicitly.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>