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Message-ID: <d448b944-708a-32d4-37d7-0be16ee5f73c@acm.org>
Date:   Fri, 25 Nov 2022 15:51:11 -0800
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Subject: Re: [PATCH 1/5] driver core: make struct class.dev_uevent() take a
 const *
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To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-kernel@vger.kernel.org
Cc:     Jens Axboe <axboe@kernel.dk>, Luis Chamberlain <mcgrof@kernel.org>,
        Russ Weight <russell.h.weight@intel.com>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        Jean Delvare <jdelvare@suse.com>,
        Johan Hovold <johan@kernel.org>,
        Jason Gunthorpe <jgg@ziepe.ca>,
        Leon Romanovsky <leon@kernel.org>,
        Karsten Keil <isdn@linux-pingi.de>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Keith Busch <kbusch@kernel.org>,
        Christoph Hellwig <hch@lst.de>,
        Sagi Grimberg <sagi@grimberg.me>,
        Dominik Brodowski <linux@dominikbrodowski.net>,
        Sebastian Reichel <sre@kernel.org>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
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        Johannes Berg <johannes@sipsolutions.net>,
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        Raed Salem <raeds@nvidia.com>,
        Chen Zhongjin <chenzhongjin@huawei.com>,
        Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>,
        Avihai Horon <avihaih@nvidia.com>,
        "Matthew Wilcox (Oracle)" <willy@infradead.org>,
        Alan Stern <stern@rowland.harvard.edu>,
        Colin Ian King <colin.i.king@gmail.com>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Jakob Koschel <jakobkoschel@gmail.com>,
        Antoine Tenart <atenart@kernel.org>,
        Frederic Weisbecker <frederic@kernel.org>,
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References: <20221123122523.1332370-1-gregkh@linuxfoundation.org>
From:   Bart Van Assche <bvanassche@acm.org>
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On 11/23/22 04:25, Greg Kroah-Hartman wrote:
> diff --git a/include/linux/mISDNif.h b/include/linux/mISDNif.h
> index 7dd1f01ec4f9..7aab4a769736 100644
> --- a/include/linux/mISDNif.h
> +++ b/include/linux/mISDNif.h
> @@ -586,7 +586,7 @@ extern struct mISDNclock *mISDN_register_clock(char *, int, clockctl_func_t *,
>   						void *);
>   extern void	mISDN_unregister_clock(struct mISDNclock *);
>   
> -static inline struct mISDNdevice *dev_to_mISDN(struct device *dev)
> +static inline struct mISDNdevice *dev_to_mISDN(const struct device *dev)
>   {
>   	if (dev)
>   		return dev_get_drvdata(dev);

Why does the dev_to_mISDN() function drop constness? I haven't found an 
explanation for this in the cover letter.

Thanks,

Bart.