Commit e8e25a77 authored by Sebastian Ott's avatar Sebastian Ott Committed by Martin Schwidefsky

s390/pci: improve bar check

Improve the bar check in pci_iomap_range to cover functions
for which we recognize more bars than what we can access due
to AR restrictions.
Signed-off-by: default avatarSebastian Ott <sebott@linux.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent a0308c13
...@@ -285,7 +285,7 @@ void __iomem *pci_iomap_range(struct pci_dev *pdev, ...@@ -285,7 +285,7 @@ void __iomem *pci_iomap_range(struct pci_dev *pdev,
struct zpci_dev *zdev = to_zpci(pdev); struct zpci_dev *zdev = to_zpci(pdev);
int idx; int idx;
if (!pci_resource_len(pdev, bar)) if (!pci_resource_len(pdev, bar) || bar >= PCI_BAR_COUNT)
return NULL; return NULL;
idx = zdev->bars[bar].map_idx; idx = zdev->bars[bar].map_idx;
......
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