linux-kernel - Re: [PATCH] container

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Message-ID: <ZAjMj01l4A/eR0JX@kroah.com>
Date:   Wed, 8 Mar 2023 18:57:35 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     "Michael S. Tsirkin" <mst@...hat.com>
Cc:     linux-kernel@...r.kernel.org, Jason Gunthorpe <jgg@...pe.ca>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Matthew Wilcox <willy@...radead.org>,
        Jason Gunthorpe <jgg@...dia.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        "Rafael J . Wysocki" <rafael@...nel.org>
Subject: Re: [PATCH] container_of: add type safety

On Wed, Mar 08, 2023 at 12:35:03PM -0500, Michael S. Tsirkin wrote:
> Using a wrong member in container_of will result in an error.
> No so for container_of_const - it is just a cast so will
> happily give you a wrong pointer.
> 
> Use logic from container_of to add safety.

Also your subject line is wrong :(