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-rw-r--r--drivers/pnp/quirks.c9
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;