linux-kernel - Re: [PATCH 16/16] drivers, net, intersil: convert request_context.refcount from atomic_t to refcount

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Message-ID: <87zifxn2gb.fsf@kamboji.qca.qualcomm.com>
Date:   Mon, 03 Apr 2017 14:41:08 +0300
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, Hans Liljestrand <ishkamiel@...il.com>,
        David Windsor <dwindsor@...il.com>
Subject: Re: [PATCH 16/16] drivers, net, intersil: convert request_context.refcount from atomic_t to refcount_t

Elena Reshetova <elena.reshetova@...el.com> writes:

> 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>
> ---
>  drivers/net/wireless/intersil/orinoco/orinoco_usb.c | 15 ++++++++-------
>  1 file changed, 8 insertions(+), 7 deletions(-)

The prefix should be "orinoco_usb:", I'll fix that.

-- 
Kalle Valo