From: Bjorn Helgaas bhelgaas@google.com
[ Upstream commit 2f686f1d9beee135de6d08caea707ec7bfc916d4 ]
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 Signed-off-by: Sasha Levin alexander.levin@microsoft.com --- 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 4eb1cf0ed00c..ae6aa7b385c2 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) {