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Date:   Wed, 2 Sep 2020 20:35:24 +0200
From:   Daniel Borkmann <>
To:     Colin King <>,
        Björn Töpel <>,
        Magnus Karlsson <>,
        Jonathan Lemon <>,
        "David S . Miller" <>,
        Jakub Kicinski <>,
        Alexei Starovoitov <>,
        Jesper Dangaard Brouer <>,
        John Fastabend <>,,
Subject: Re: [PATCH][next] xsk: fix incorrect memory allocation failure check
 on dma_map->dma_pages

On 9/2/20 6:13 PM, Colin King wrote:
> From: Colin Ian King <>
> The failed memory allocation check for dma_map->dma_pages is incorrect,
> it is null checking dma_map and not dma_map->dma_pages. Fix this.
> Addresses-Coverity: ("Logicall dead code")
> Fixes: 921b68692abb ("xsk: Enable sharing of dma mappings")
> Signed-off-by: Colin Ian King <>

Thanks, already applied a fix that was sent earlier [0].


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