netdev - Re: [PATCH] niu: Fix missing unwind goto in niu_alloc

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Message-ID: <ZC7XdVnYWT+o0tLf@corigine.com>
Date:   Thu, 6 Apr 2023 16:30:13 +0200
From:   Simon Horman <simon.horman@...igine.com>
To:     Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>
Cc:     error27@...il.com, kernel-janitors@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        Leon Romanovsky <leon@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Rob Herring <robh@...nel.org>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] niu: Fix missing unwind goto in niu_alloc_channels()

On Wed, Apr 05, 2023 at 11:31:18PM -0700, Harshit Mogalapalli wrote:
> Smatch reports: drivers/net/ethernet/sun/niu.c:4525
> 	niu_alloc_channels() warn: missing unwind goto?
> 
> If niu_rbr_fill() fails, then we are directly returning 'err' without
> freeing the channels.
> 
> Fix this by changing direct return to a goto 'out_err'.
> 
> Fixes: a3138df9f20e ("[NIU]: Add Sun Neptune ethernet driver.")
> Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>
> ---
> This is purely based on static analysis. Only compile tested.

Reviewed-by: Simon Horman <simon.horman@...igine.com>