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Date:   Tue, 22 May 2018 14:08:41 +0200
From:   Wolfram Sang <wsa@the-dreams.de>
To:     George Cherian <george.cherian@cavium.com>
Cc:     linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
        jglauber@cavium.com, kamlakant.patel@cavium.com,
        mchehab+samsung@kernel.org, davem@davemloft.net,
        gregkh@linuxfoundation.org, akpm@linux-foundation.org,
        linus.walleij@linaro.org, rdunlap@infradead.org,
        Jayachandran C <jnair@caviumnetworks.com>
Subject: Re: [PATCH 3/4] i2c: xlp9xx: Make sure the transfer size is not more
 than I2C_SMBUS_BLOCK_SIZE
Message-ID: <20180522120841.xtyw7g7s6rgcncbk@ninjato>
References: <1526454019-32714-1-git-send-email-george.cherian@cavium.com>
 <1526454019-32714-4-git-send-email-george.cherian@cavium.com>
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On Wed, May 16, 2018 at 12:00:18AM -0700, George Cherian wrote:
> For SMBus transactions the max permissible transfer size is
> I2C_SMBUS_BLOCK_SIZE. It is possible that some clients might
> not follow it strictly occasionally.
> This would lead to stack corruption if the driver copies more than
> I2C_SMBUS_BLOCK_SIZE bytes. Add a check to avoid such conditions.
>=20
> Signed-off-by: Jayachandran C <jnair@caviumnetworks.com>
> Signed-off-by: George Cherian <george.cherian@cavium.com>

Applied to for-next, thanks!


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