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Message-ID: <1488958624.10589.10.camel@haakon3.risingtidesystems.com>
Subject: Re: [PATCH 24/29] drivers: convert iblock_req.pending from atomic_t
 to refcount_t
From: "Nicholas A. Bellinger" <nab@linux-iscsi.org>
To: Elena Reshetova <elena.reshetova@intel.com>
Cc: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
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Date: Tue, 07 Mar 2017 23:37:04 -0800
In-Reply-To: <1488810076-3754-25-git-send-email-elena.reshetova@intel.com>
References: <1488810076-3754-1-git-send-email-elena.reshetova@intel.com>
         <1488810076-3754-25-git-send-email-elena.reshetova@intel.com>
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Hi Elena,

On Mon, 2017-03-06 at 16:21 +0200, Elena Reshetova 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@intel.com>
> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com>
> Signed-off-by: Kees Cook <keescook@chromium.org>
> Signed-off-by: David Windsor <dwindsor@gmail.com>
> ---
>  drivers/target/target_core_iblock.c | 12 ++++++------
>  drivers/target/target_core_iblock.h |  3 ++-
>  2 files changed, 8 insertions(+), 7 deletions(-)

For the target_core_iblock part:

Acked-by: Nicholas Bellinger <nab@linux-iscsi.org>