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firewire: ohci: sanity-check MMIO resource
authorClemens Ladisch <clemens@ladisch.de>
Mon, 4 Jun 2012 19:28:07 +0000 (21:28 +0200)
committerStefan Richter <stefanr@s5r6.in-berlin.de>
Mon, 4 Jun 2012 22:57:37 +0000 (00:57 +0200)
commit7baab9acfb25934a32541d617cbc676abd1fbf5b
treede78b151877babafbec27b4ae9289673d633a518tree | snapshot
parent9d60ef2bd87f201c509cfae13ba6c9013446673dcommit | diff
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>
drivers/firewire/ohci.c diff | blob | history
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