linux-kernel - Re: [PATCH 1/2] mfd: sm501: Fix potential NULL pointer dereference

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Message-ID: <20190130133525.GG4701@dell>
Date:   Wed, 30 Jan 2019 13:35:25 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] mfd: sm501: Fix potential NULL pointer dereference

On Tue, 22 Jan 2019, Gustavo A. R. Silva wrote:

> There is a potential NULL pointer dereference in case devm_kzalloc()
> fails and returns NULL.
> 
> Fix this by adding a NULL check on *lookup*
> 
> This bug was detected with the help of Coccinelle.
> 
> Fixes: b2e63555592f ("i2c: gpio: Convert to use descriptors")
> Cc: stable@...r.kernel.org
> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
> ---
>  drivers/mfd/sm501.c | 3 +++
>  1 file changed, 3 insertions(+)

Applied, thanks.

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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