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path: root/drivers/pci/pci-sysfs.c
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Diffstat (limited to 'drivers/pci/pci-sysfs.c')
-rw-r--r--drivers/pci/pci-sysfs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 110022d78689..5d72866897a8 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -575,7 +575,7 @@ static int pci_mmap_fits(struct pci_dev *pdev, int resno, struct vm_area_struct
575 575
576 nr = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; 576 nr = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
577 start = vma->vm_pgoff; 577 start = vma->vm_pgoff;
578 size = pci_resource_len(pdev, resno) >> PAGE_SHIFT; 578 size = ((pci_resource_len(pdev, resno) - 1) >> PAGE_SHIFT) + 1;
579 if (start < size && size - start >= nr) 579 if (start < size && size - start >= nr)
580 return 1; 580 return 1;
581 WARN(1, "process \"%s\" tried to map 0x%08lx-0x%08lx on %s BAR %d (size 0x%08lx)\n", 581 WARN(1, "process \"%s\" tried to map 0x%08lx-0x%08lx on %s BAR %d (size 0x%08lx)\n",