diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
| commit | d635711daa98be86d4c7fd01499c34f566b54ccb (patch) | |
| tree | aa5cc3760a27c3d57146498cb82fa549547de06c /drivers/vfio/pci/vfio_pci_rdwr.c | |
| parent | c91265cd0efb83778f015b4d4b1129bd2cfd075e (diff) | |
Linux-libre 4.6.2-gnu
Diffstat (limited to 'drivers/vfio/pci/vfio_pci_rdwr.c')
| -rw-r--r-- | drivers/vfio/pci/vfio_pci_rdwr.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/vfio/pci/vfio_pci_rdwr.c b/drivers/vfio/pci/vfio_pci_rdwr.c index 210db24d2..5ffd1d9ad 100644 --- a/drivers/vfio/pci/vfio_pci_rdwr.c +++ b/drivers/vfio/pci/vfio_pci_rdwr.c @@ -124,11 +124,14 @@ ssize_t vfio_pci_bar_rw(struct vfio_pci_device *vdev, char __user *buf, void __iomem *io; ssize_t done; - if (!pci_resource_start(pdev, bar)) + if (pci_resource_start(pdev, bar)) + end = pci_resource_len(pdev, bar); + else if (bar == PCI_ROM_RESOURCE && + pdev->resource[bar].flags & IORESOURCE_ROM_SHADOW) + end = 0x20000; + else return -EINVAL; - end = pci_resource_len(pdev, bar); - if (pos >= end) return -EINVAL; |