netdev - Re: [PATCH v1] net/iucv: Remove redundant driver match function

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Message-ID: <20230320102056.1be1fcf7.alex.williamson@redhat.com>
Date:   Mon, 20 Mar 2023 10:20:56 -0600
From:   Alex Williamson <alex.williamson@...hat.com>
To:     Heiko Carstens <hca@...ux.ibm.com>
Cc:     Lizhe <sensor1010@....com>, wintera@...ux.ibm.com,
        wenjia@...ux.ibm.com, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, linux-s390@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] net/iucv: Remove redundant driver match function

On Sun, 19 Mar 2023 21:16:31 +0100
Heiko Carstens <hca@...ux.ibm.com> wrote:

> On Sun, Mar 19, 2023 at 01:08:40PM +0800, Lizhe wrote:
> > If there is no driver match function, the driver core assumes that each
> > candidate pair (driver, device) matches, see driver_match_device().
> > 
> > Drop the bus's match function that always returned 1 and so
> > implements the same behaviour as when there is no match function  
> ...
> > 
> > Signed-off-by: Lizhe <sensor1010@....com>
> > ---
> >  net/iucv/iucv.c | 6 ------
> >  1 file changed, 6 deletions(-)  
> ...
> > -static int iucv_bus_match(struct device *dev, struct device_driver *drv)
> > -{
> > -	return 0;  
>         ^^^^^^^^
> 
> If I'm not wrong then 0 != 1.
> 

Seems like an unchecked patch bot, proposed an identical bad patch for
vfio/mdev.  Thanks,

Alex