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Re: [Qemu-devel] [PATCH v14 12/22] vfio: Add notifier callback to parent


From: Dong Jia Shi
Subject: Re: [Qemu-devel] [PATCH v14 12/22] vfio: Add notifier callback to parent's ops structure of mdev
Date: Thu, 17 Nov 2016 10:15:33 +0800
User-agent: Mutt/1.7.0 (2016-08-17)

* Kirti Wankhede <address@hidden> [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.

> +     }
> +
>       module_put(THIS_MODULE);
>  }
> 
[...]

-- 
Dong Jia




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