1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c
index ebf0d6710b5a..943c1cb9566c 100644
--- a/drivers/pnp/quirks.c
+++ b/drivers/pnp/quirks.c
@@ -246,13 +246,16 @@ static void quirk_system_pci_resources(struct pnp_dev *dev)
          */
         for_each_pci_dev(pdev) {
                 for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
-                        unsigned long type;
+                        unsigned long flags, type;
 
-                        type = pci_resource_flags(pdev, i) &
-                                        (IORESOURCE_IO | IORESOURCE_MEM);
+                        flags = pci_resource_flags(pdev, i);
+                        type = flags & (IORESOURCE_IO | IORESOURCE_MEM);
                         if (!type || pci_resource_len(pdev, i) == 0)
                                 continue;
 
+                        if (flags & IORESOURCE_UNSET)
+                                continue;
+
                         pci_start = pci_resource_start(pdev, i);
                         pci_end = pci_resource_end(pdev, i);
                         for (j = 0;