diff options
Diffstat (limited to 'drivers/pci/proc.c')
| -rw-r--r-- | drivers/pci/proc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c index 31b26d8ea6cc..f967709082d6 100644 --- a/drivers/pci/proc.c +++ b/drivers/pci/proc.c @@ -244,6 +244,7 @@ static int proc_bus_pci_mmap(struct file *file, struct vm_area_struct *vma) { struct pci_dev *dev = pde_data(file_inode(file)); struct pci_filp_private *fpriv = file->private_data; + resource_size_t start, end; int i, ret, write_combine = 0, res_bit = IORESOURCE_MEM; if (!capable(CAP_SYS_RAWIO) || @@ -278,7 +279,11 @@ static int proc_bus_pci_mmap(struct file *file, struct vm_area_struct *vma) iomem_is_exclusive(dev->resource[i].start)) return -EINVAL; - ret = pci_mmap_page_range(dev, i, vma, + pci_resource_to_user(dev, i, &dev->resource[i], &start, &end); + + /* Adjust vm_pgoff to be the offset within the resource */ + vma->vm_pgoff -= start >> PAGE_SHIFT; + ret = pci_mmap_resource_range(dev, i, vma, fpriv->mmap_state, write_combine); if (ret < 0) return ret; |