On 11/17/2016 7:45 AM, Dong Jia Shi wrote: > * Kirti Wankhede <kwankh...@nvidia.com> [2016-11-17 02:16:24 +0530]: > > Hi Kirti, > >> diff --git a/drivers/vfio/mdev/vfio_mdev.c b/drivers/vfio/mdev/vfio_mdev.c > [...] > >> @@ -51,6 +78,11 @@ static void vfio_mdev_release(void *device_data) >> if (likely(parent->ops->release)) >> parent->ops->release(mdev); >> >> + if (likely(parent->ops->notifier)) { >> + if (vfio_unregister_notifier(&mdev->dev, &mdev->nb)) >> + pr_err("Failed to unregister notifier for mdev\n"); > For the -ENOTTY case, we should not fail here either. >
Removing the error print and ignoring return from this unregister call. Updating this patch on this thread. >> + } >> + >> module_put(THIS_MODULE); >> } >> > [...] >