linux-kernel - Re: [PATCH net] ipv4: Fix NULL vs error pointer check in inet_blackhole_dev

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Message-ID: <CANn89iK9FBmqC78Fn95Aa99+TA128xXSvSsLe408zkk1DG2Ojg@mail.gmail.com>
Date: Tue, 2 Sep 2025 05:18:03 -0700
From: Eric Dumazet <edumazet@...gle.com>
To: Dan Carpenter <dan.carpenter@...aro.org>
Cc: Xin Long <lucien.xin@...il.com>, "David S. Miller" <davem@...emloft.net>, 
	David Ahern <dsahern@...nel.org>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
	Simon Horman <horms@...nel.org>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, 
	kernel-janitors@...r.kernel.org
Subject: Re: [PATCH net] ipv4: Fix NULL vs error pointer check in inet_blackhole_dev_init()

On Mon, Sep 1, 2025 at 11:36 PM Dan Carpenter <dan.carpenter@...aro.org> wrote:
>
> The inetdev_init() function never returns NULL.  Check for error
> pointers instead.
>
> Fixes: 22600596b675 ("ipv4: give an IPv4 dev to blackhole_netdev")
> Signed-off-by: Dan Carpenter <dan.carpenter@...aro.org>

Reviewed-by: Eric Dumazet <edumazet@...gle.com>