linux-kernel - Re: [15/16] hostap: convert hostap_cmd_queue.usecnt from atomic_t to refcount

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Date:   Mon, 22 May 2017 15:24:55 +0000 (UTC)
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Elena Reshetova <elena.reshetova@...el.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-rdma@...r.kernel.org,
        linux-hams@...r.kernel.org, linux-ppp@...r.kernel.org,
        linux-wireless@...r.kernel.org, ganeshgr@...lsio.com,
        nbd@...nwrt.org, blogic@...nwrt.org, matthias.bgg@...il.com,
        yishaih@...lanox.com, saeedm@...lanox.com, matanb@...lanox.com,
        leonro@...lanox.com, ajk@...nets.uni-bremen.de, paulus@...ba.org,
        j@...fi, peterz@...radead.org, keescook@...omium.org,
        gregkh@...uxfoundation.org,
        Elena Reshetova <elena.reshetova@...el.com>,
        Hans Liljestrand <ishkamiel@...il.com>,
        David Windsor <dwindsor@...il.com>
Subject: Re: [15/16] hostap: convert hostap_cmd_queue.usecnt from atomic_t to
 refcount_t

Elena Reshetova <elena.reshetova@...el.com> wrote:
> refcount_t type and corresponding API should be
> used instead of atomic_t when the variable is used as
> a reference counter. This allows to avoid accidental
> refcounter overflows that might lead to use-after-free
> situations.
> 
> Signed-off-by: Elena Reshetova <elena.reshetova@...el.com>
> Signed-off-by: Hans Liljestrand <ishkamiel@...il.com>
> Signed-off-by: Kees Cook <keescook@...omium.org>
> Signed-off-by: David Windsor <dwindsor@...il.com>

2 patches applied to wireless-drivers-next.git, thanks.

552aa585faff hostap: convert hostap_cmd_queue.usecnt from atomic_t to refcount_t
0aeffa7041d8 orinoco_usb: convert request_context.refcount from atomic_t to refcount_t

-- 
https://patchwork.kernel.org/patch/9648427/

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