Commit e8e25a77 authored Jul 31, 2018 by Sebastian Ott Committed by Martin Schwidefsky Feb 07, 2019

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: Sebastian Ott <sebott@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent a0308c13

arch/s390/pci/pci.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -285,7 +285,7 @@ void __iomem pci_iomap_range(struct pci_dev pdev,
		struct zpci_dev *zdev = to_zpci(pdev);
		int idx;

		if (!pci_resource_len(pdev, bar))
		if (!pci_resource_len(pdev, bar) \|\| bar >= PCI_BAR_COUNT)
		return NULL;

		idx = zdev->bars[bar].map_idx;

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