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authorSebastian Ott <sebott@linux.vnet.ibm.com>2016-01-22 14:03:06 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2016-01-26 12:46:17 +0100
commitc0cabaddeeeab13db8ef4e275ab5c7c0e8746324 (patch)
tree2d15deb1740906ec71672ec28bb74b4e34e7404e /arch/s390/pci
parentc506fff3d3a8a632e8eb2270680548ec415f0357 (diff)
downloadlinux-c0cabaddeeeab13db8ef4e275ab5c7c0e8746324.tar.bz2
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>
Diffstat (limited to 'arch/s390/pci')
-rw-r--r--arch/s390/pci/pci.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index 53139158010d..d28d194d580c 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -270,7 +270,7 @@ void __iomem *pci_iomap_range(struct pci_dev *pdev,
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;