1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index a6d191ad9743..28df200bc54c 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -131,7 +131,7 @@ void __iomem *pci_ioremap_bar(struct pci_dev *pdev, int bar)
         /*
          * Make sure the BAR is actually a memory resource, not an IO resource
          */
-        if (!(res->flags & IORESOURCE_MEM)) {
+        if (res->flags & IORESOURCE_UNSET || !(res->flags & IORESOURCE_MEM)) {
                 dev_warn(&pdev->dev, "can't ioremap BAR %d: %pR\n", bar, res);
                 return NULL;
         }