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

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Message-ID: <ZBdtn0wFunrkvml9@osiris>
Date:   Sun, 19 Mar 2023 21:16:31 +0100
From:   Heiko Carstens <hca@...ux.ibm.com>
To:     Lizhe <sensor1010@....com>
Cc:     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, 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.