diff options
Diffstat (limited to 'linux-core/drm_ioctl.c')
| -rw-r--r-- | linux-core/drm_ioctl.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/linux-core/drm_ioctl.c b/linux-core/drm_ioctl.c index 54024e1b..776f462e 100644 --- a/linux-core/drm_ioctl.c +++ b/linux-core/drm_ioctl.c @@ -125,9 +125,10 @@ int drm_setunique(struct inode *inode, struct file *filp, domain = bus >> 8; bus &= 0xff; - if ((domain != dev->pci_domain) || - (bus != dev->pci_bus) || - (slot != dev->pci_slot) || (func != dev->pci_func)) + if ((domain != drm_get_pci_domain(dev)) || + (bus != dev->pdev->bus->number) || + (slot != PCI_SLOT(dev->pdev->devfn)) || + (func != PCI_FUNC(dev->pdev->devfn))) return -EINVAL; return 0; @@ -145,7 +146,10 @@ static int drm_set_busid(drm_device_t * dev) return ENOMEM; len = snprintf(dev->unique, dev->unique_len, "pci:%04x:%02x:%02x.%d", - dev->pci_domain, dev->pci_bus, dev->pci_slot, dev->pci_func); + drm_get_pci_domain(dev), + dev->pdev->bus->number, + PCI_SLOT(dev->pdev->devfn), + PCI_FUNC(dev->pdev->devfn)); if (len > dev->unique_len) DRM_ERROR("buffer overflow"); @@ -238,7 +242,7 @@ int drm_getclient(struct inode *inode, struct file *filp, { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->head->dev; - drm_client_t __user *argp = (void __user *)arg; + drm_client_t __user *argp = (drm_client_t __user *)arg; drm_client_t client; drm_file_t *pt; int idx; @@ -325,21 +329,23 @@ int drm_setversion(DRM_IOCTL_ARGS) int if_version; drm_set_version_t __user *argp = (void __user *)data; - DRM_COPY_FROM_USER_IOCTL(sv, argp, sizeof(sv)); + if (copy_from_user(&sv, argp, sizeof(sv))) + return -EFAULT; retv.drm_di_major = DRM_IF_MAJOR; retv.drm_di_minor = DRM_IF_MINOR; retv.drm_dd_major = dev->driver->major; retv.drm_dd_minor = dev->driver->minor; - DRM_COPY_TO_USER_IOCTL(argp, retv, sizeof(sv)); + if (copy_to_user(argp, &retv, sizeof(sv))) + return -EFAULT; if (sv.drm_di_major != -1) { if (sv.drm_di_major != DRM_IF_MAJOR || sv.drm_di_minor < 0 || sv.drm_di_minor > DRM_IF_MINOR) return EINVAL; if_version = DRM_IF_VERSION(sv.drm_di_major, sv.drm_di_minor); - dev->if_version = DRM_MAX(if_version, dev->if_version); + dev->if_version = max(if_version, dev->if_version); if (sv.drm_di_minor >= 1) { /* * Version 1.1 includes tying of DRM to specific device |