1 files changed, 7 insertions, 6 deletions

diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c
index c47dd252f449..d049a2279fea 100644
--- a/drivers/pnp/quirks.c
+++ b/drivers/pnp/quirks.c
@@ -138,13 +138,15 @@ static void quirk_system_pci_resources(struct pnp_dev *dev)
 
                         pci_start = pci_resource_start(pdev, i);
                         pci_end = pci_resource_end(pdev, i);
-                        for (j = 0; j < PNP_MAX_MEM; j++) {
-                                if (!pnp_mem_valid(dev, j) ||
-                                    pnp_mem_len(dev, j) == 0)
+                        for (j = 0;
+                             (res = pnp_get_resource(dev, IORESOURCE_MEM, j));
+                             j++) {
+                                if (res->flags & IORESOURCE_UNSET ||
+                                    (res->start == 0 && res->end == 0))
                                         continue;
 
-                                pnp_start = pnp_mem_start(dev, j);
-                                pnp_end = pnp_mem_end(dev, j);
+                                pnp_start = res->start;
+                                pnp_end = res->end;
 
                                 /*
                                  * If the PNP region doesn't overlap the PCI
@@ -177,7 +179,6 @@ static void quirk_system_pci_resources(struct pnp_dev *dev)
                                         pci_name(pdev), i,
                                         (unsigned long long) pci_start,
                                         (unsigned long long) pci_end);
-                                res = pnp_get_resource(dev, IORESOURCE_MEM, j);
                                 res->flags = 0;
                         }
                 }