x86/PCI: MMCONFIG: reject MMCONFIG apertures at address zero
authorBjorn Helgaas <bjorn.helgaas@hp.com>
Sat, 14 Nov 2009 00:34:03 +0000 (17:34 -0700)
committerJesse Barnes <jbarnes@virtuousgeek.org>
Tue, 24 Nov 2009 23:29:03 +0000 (15:29 -0800)
commitf7ca69848786bb99fdfafb511791b078c298438e
tree21276998b08fed3711b4a7feff1d427f92174192
parent463a5df175e3ceed684397ee2f8a3eb523d835a0
x86/PCI: MMCONFIG: reject MMCONFIG apertures at address zero

Since all MMCONFIG regions go through pci_mmconfig_add(), we can test the
address once there.  If the caller supplies an address of zero, we never
insert it in the pci_mmcfg_config[] table, so no need to test it elsewhere.

Reviewed-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
arch/x86/pci/mmconfig-shared.c