linux-kernel - Re: [PATCH RFC 1/2] driver core: Add ability to delete device links of unregistered devices

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Date:   Wed, 7 Jul 2021 19:38:23 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Adrian Hunter <adrian.hunter@...el.com>
Cc:     "Rafael J . Wysocki" <rafael@...nel.org>,
        Saravana Kannan <saravanak@...gle.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        linux-scsi@...r.kernel.org, Avri Altman <avri.altman@....com>,
        Bean Huo <huobean@...il.com>, Can Guo <cang@...eaurora.org>,
        Asutosh Das <asutoshd@...eaurora.org>,
        Bart Van Assche <bvanassche@....org>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC 1/2] driver core: Add ability to delete device links
 of unregistered devices

On Wed, Jul 07, 2021 at 08:29:47PM +0300, Adrian Hunter wrote:
> +void device_links_scrap(struct device *dev)
> +{
> +	if (WARN_ON(device_is_registered(dev)))

You just rebooted a box if this was hit, never add new WARN_ON() please.

greg k-h