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Diffstat (limited to 'drivers/gpu/drm/drm_vm.c')
| -rw-r--r-- | drivers/gpu/drm/drm_vm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c index 55cd61567812..149561818349 100644 --- a/drivers/gpu/drm/drm_vm.c +++ b/drivers/gpu/drm/drm_vm.c @@ -680,6 +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); |