| Message ID | 20170519195855.25440.29969.stgit@bhelgaas-glaptop.roam.corp.google.com (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Bjorn Helgaas |
| Headers | show |
On Fri, May 19, 2017 at 02:58:55PM -0500, Bjorn Helgaas wrote: > PCI_STD_RESOURCE_END is (confusingly) the index of the last valid BAR, not > the *number* of BARs. To iterate through all possible BARs, we need to > include PCI_STD_RESOURCE_END. > > Fixes: 9fe373f9997b ("PCI: Increase IBM ipr SAS Crocodile BARs to at least system page size") > Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> I applied both of these to pci/misc for v4.13. > --- > drivers/pci/quirks.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c > index 085fb787aa9e..16e6cd86ad71 100644 > --- a/drivers/pci/quirks.c > +++ b/drivers/pci/quirks.c > @@ -304,7 +304,7 @@ static void quirk_extend_bar_to_page(struct pci_dev *dev) > { > int i; > > - for (i = 0; i < PCI_STD_RESOURCE_END; i++) { > + for (i = 0; i <= PCI_STD_RESOURCE_END; i++) { > struct resource *r = &dev->resource[i]; > > if (r->flags & IORESOURCE_MEM && resource_size(r) < PAGE_SIZE) { >
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 085fb787aa9e..16e6cd86ad71 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -304,7 +304,7 @@ static void quirk_extend_bar_to_page(struct pci_dev *dev) { int i; - for (i = 0; i < PCI_STD_RESOURCE_END; i++) { + for (i = 0; i <= PCI_STD_RESOURCE_END; i++) { struct resource *r = &dev->resource[i]; if (r->flags & IORESOURCE_MEM && resource_size(r) < PAGE_SIZE) {
PCI_STD_RESOURCE_END is (confusingly) the index of the last valid BAR, not the *number* of BARs. To iterate through all possible BARs, we need to include PCI_STD_RESOURCE_END. Fixes: 9fe373f9997b ("PCI: Increase IBM ipr SAS Crocodile BARs to at least system page size") Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> --- drivers/pci/quirks.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)