diff options
Diffstat (limited to 'drivers/gpu/drm/drm_vm.c')
| -rw-r--r-- | drivers/gpu/drm/drm_vm.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c index 8c03eaf4144..14956181834 100644 --- a/drivers/gpu/drm/drm_vm.c +++ b/drivers/gpu/drm/drm_vm.c @@ -519,7 +519,6 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma) vma->vm_flags |= VM_RESERVED; /* Don't swap */ vma->vm_flags |= VM_DONTEXPAND; - vma->vm_file = filp; /* Needed for drm_vm_open() */ drm_vm_open_locked(vma); return 0; } @@ -671,7 +670,6 @@ int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma) vma->vm_flags |= VM_RESERVED; /* Don't swap */ vma->vm_flags |= VM_DONTEXPAND; - vma->vm_file = filp; /* Needed for drm_vm_open() */ drm_vm_open_locked(vma); return 0; } @@ -682,6 +680,9 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma) struct drm_device *dev = priv->minor->dev; int ret; + if (drm_device_is_unplugged(dev)) + return -ENODEV; + mutex_lock(&dev->struct_mutex); ret = drm_mmap_locked(filp, vma); mutex_unlock(&dev->struct_mutex); |