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PCI: Convert device-specific ACS quirks from NULL termination to ARRAY_SIZE 

Convert the search for device-specific ACS enable quirks from searching a
NULL-terminated array to iterating through the array, which is always
fixed-size anyway.  No functional change intended.

Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
[bhelgaas: changelog, split to separate patch for reviewability]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Logan Gunthorpe 2018-08-09 16:45:47 -05:00 committed by Bjorn Helgaas
parent aaca43fda7
commit 3b269185c1
1 changed files with 9 additions and 9 deletions
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18
drivers/pci/quirks.c
View File

@ -4560,20 +4560,20 @@ static const struct pci_dev_enable_acs {
} pci_dev_enable_acs[] = {
{ PCI_VENDOR_ID_INTEL, PCI_ANY_ID, pci_quirk_enable_intel_pch_acs },
{ PCI_VENDOR_ID_INTEL, PCI_ANY_ID, pci_quirk_enable_intel_spt_pch_acs },
{ 0 }
};
int pci_dev_specific_enable_acs(struct pci_dev *dev)
{
const struct pci_dev_enable_acs *i;
int ret;
const struct pci_dev_enable_acs *p;
int i, ret;
for (i = pci_dev_enable_acs; i->enable_acs; i++) {
if ((i->vendor == dev->vendor ||
i->vendor == (u16)PCI_ANY_ID) &&
(i->device == dev->device ||
i->device == (u16)PCI_ANY_ID)) {
ret = i->enable_acs(dev);
for (i = 0; i < ARRAY_SIZE(pci_dev_enable_acs); i++) {
p = &pci_dev_enable_acs[i];
if ((p->vendor == dev->vendor ||
p->vendor == (u16)PCI_ANY_ID) &&
(p->device == dev->device ||
p->device == (u16)PCI_ANY_ID)) {
ret = p->enable_acs(dev);
if (ret >= 0)
return ret;
}