netdev - Re: [PATCH net-next v3 6/6] devlink: add missing NULL checks for devlink ops

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Date:   Tue, 26 Feb 2019 07:50:54 +0100
From:   Jiri Pirko <jiri@...nulli.us>
To:     Jakub Kicinski <jakub.kicinski@...ronome.com>
Cc:     davem@...emloft.net, mkubecek@...e.cz, andrew@...n.ch,
        f.fainelli@...il.com, netdev@...r.kernel.org,
        oss-drivers@...ronome.com
Subject: Re: [PATCH net-next v3 6/6] devlink: add missing NULL checks for
 devlink ops

Mon, Feb 25, 2019 at 07:32:49PM CET, jakub.kicinski@...ronome.com wrote:
>On Sun, 24 Feb 2019 12:03:19 +0100, Jiri Pirko wrote:
>> Fri, Feb 22, 2019 at 11:07:57PM CET, jakub.kicinski@...ronome.com wrote:
>>> Commit 76726ccb7f46 ("devlink: add flash update command") and
>>> commit 2d8dc5bbf4e7 ("devlink: Add support for reload")
>>> access devlink ops without NULL-checking. Add the missing checks.
>>> Note that all drivers currently implementing devlink pass non-NULL
>>> ops, so this is not a problem.  
>> 
>> Wouldn't it be better to rather put WARN_ON&fail when driver calls
>> devlink_alloc() with NULL ops and avoid these checks in the whole code?
>
>Sounds good! Should I remove the existing ones?

Yes please.