linux-kernel - Re: [wireless-next] qtnfmac: check band before allocating cmd

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Message-Id: <20170613070213.64C55606DC@smtp.codeaurora.org>
Date:   Tue, 13 Jun 2017 07:02:13 +0000 (UTC)
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Colin Ian King <colin.king@...onical.com>
Cc:     Igor Mitsyanko <imitsyanko@...ntenna.com>,
        Avinash Patil <avinashp@...ntenna.com>,
        Sergey Matyukevich <smatyukevich@...ntenna.com>,
        Dmitrii Lebed <dlebed@...ntenna.com>,
        Huizhao Wang <hwang@...ntenna.com>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [wireless-next] qtnfmac: check band before allocating cmd_skb to
 avoid resource leak

Colin Ian King <colin.king@...onical.com> wrote:

> From: Colin Ian King <colin.king@...onical.com>
> 
> The current code allocates cmd_skb and then will leak this if band->band
> is an illegal value. It is simpler to sanity check the band first before
> allocating cmd_skb so that we don't have to free cmd_skb if an invalid
> band occurs.
> 
> Detected by CoverityScan, CID#1437561 ("Resource Leak")
> 
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> Reviewed-by: Igor Mitsyanko <igor.mitsyanko.os@...ntenna.com>

Patch applied to wireless-drivers-next.git, thanks.

bc0384eedb66 qtnfmac: check band before allocating cmd_skb to avoid resource leak

-- 
https://patchwork.kernel.org/patch/9762863/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches