linux-kernel - Re: [PATCH] netpoll: Fix device name check in netpoll

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Date:   Wed, 26 Jul 2017 17:02:11 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     mka@...omium.org
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        dianders@...omium.org
Subject: Re: [PATCH] netpoll: Fix device name check in netpoll_setup()

From: Matthias Kaehlcke <mka@...omium.org>
Date: Tue, 25 Jul 2017 11:36:25 -0700

> Apparently netpoll_setup() assumes that netpoll.dev_name is a pointer
> when checking if the device name is set:
> 
> if (np->dev_name) {
>   ...
> 
> However the field is a character array, therefore the condition always
> yields true. Check instead whether the first byte of the array has a
> non-zero value.
> 
> Signed-off-by: Matthias Kaehlcke <mka@...omium.org>

Applied, thanks a lot.