linux-kernel - Re: [PATCH] clk: sunxi: sun9i-mmc: check return value after calling platform_get

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Message-ID: <9ebabc53-72de-bbec-895c-fa3760ed5374@sholland.org>
Date:   Sat, 23 Apr 2022 14:45:05 -0500
From:   Samuel Holland <samuel@...lland.org>
To:     Yang Yingliang <yangyingliang@...wei.com>,
        linux-kernel@...r.kernel.org, linux-sunxi@...ts.linux.dev,
        linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org
Cc:     wens@...e.org, maxime@...no.tech
Subject: Re: [PATCH] clk: sunxi: sun9i-mmc: check return value after calling
 platform_get_resource()

On 4/21/22 8:43 AM, Yang Yingliang wrote:
> It will cause null-ptr-deref if platform_get_resource() returns NULL,
> we need check the return value.
> 
> Fixes: 7a6fca879f59 ("clk: sunxi: Add driver for A80 MMC config clocks/resets")
> Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>

Reviewed-by: Samuel Holland <samuel@...lland.org>