s390/pci: fix bar check
Fix the check which bar space we should map to allow available bars only.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index 5313915..d28d194 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -270,7 +270,7 @@
struct zpci_dev *zdev = to_zpci(pdev);
int idx;
- if ((bar & 7) != bar)
+ if (!pci_resource_len(pdev, bar))
return NULL;
idx = zdev->bars[bar].map_idx;