linux-kernel - Re: [PATCH] drivers: core: ensure device has a name

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Message-ID: <a6heh7hn45avcmttxvlmu6cobzjnsz6rsvpr7vkvvoqmadoikk@girnrpbu32go>
Date:   Fri, 15 Sep 2023 09:03:39 -0300
From:   "Ricardo B. Marliere" <ricardo@...liere.net>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        linux-kernel@...r.kernel.org,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        Shuah Khan <skhan@...uxfoundation.org>,
        syzbot+bbc59256015533127d80@...kaller.appspotmail.com
Subject: Re: [PATCH] drivers: core: ensure device has a name

On 23/09/15 08:51AM, Greg Kroah-Hartman wrote:
> On Thu, Sep 14, 2023 at 10:19:31PM -0300, Ricardo B. Marliere wrote:
> > device_add() relies on dev_name() and dev_set_name() to set the device
> > name. This patch adds the fallback case where both the call to
> > dev_name() and (dev->bus && dev->bus->dev_name) fails.
> > 
> > Reported-by: syzbot+bbc59256015533127d80@...kaller.appspotmail.com
> > Closes: https://syzkaller.appspot.com/bug?extid=bbc59256015533127d80
> > Fixes: d21fdd07cea4 ("driver core: Return proper error code when dev_set_name() fails")
> > Signed-off-by: Ricardo B. Marliere <ricardo@...liere.net>
> > ---
> >  drivers/base/core.c | 2 ++
> >  1 file changed, 2 insertions(+)
> 
> Already submitted and in linux-next:
> 	https://lore.kernel.org/r/20230828145824.3895288-1-andriy.shevchenko@linux.intel.com

Ah, of course. I'll do a better job grepping the mail next time :)

Thanks for reviewing,
-	Ricardo