netdev - Re: [PATCH][next] xsk: Fix null check on error return path

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Message-ID: <20200902191757.GD31464@embeddedor>
Date:   Wed, 2 Sep 2020 14:17:57 -0500
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Daniel Borkmann <daniel@...earbox.net>
Cc:     Björn Töpel <bjorn.topel@...el.com>,
        Magnus Karlsson <magnus.karlsson@...el.com>,
        Jonathan Lemon <jonathan.lemon@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        netdev@...r.kernel.org, bpf@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH][next] xsk: Fix null check on error return path

On Wed, Sep 02, 2020 at 08:33:41PM +0200, Daniel Borkmann wrote:
> On 9/2/20 5:07 PM, Gustavo A. R. Silva wrote:
> > Currently, dma_map is being checked, when the right object identifier
> > to be null-checked is dma_map->dma_pages, instead.
> > 
> > Fix this by null-checking dma_map->dma_pages.
> > 
> > Addresses-Coverity-ID: 1496811 ("Logically dead code")
> > Fixes: 921b68692abb ("xsk: Enable sharing of dma mappings")
> > Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
> 
> Applied, thanks!

Thanks, Daniel. :)

--
Gustavo