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path: root/drivers/gpu/drm/drm_vm.c
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Diffstat (limited to 'drivers/gpu/drm/drm_vm.c')
-rw-r--r--drivers/gpu/drm/drm_vm.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c
index 8c03eaf41448..149561818349 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);