linux-kernel - Re: [PATCH V2] clk: fix a panic error caused by accessing NULL pointer

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Message-ID: <CAAfSe-vVptmOYy_DpEuxTE9Oy0YXiJkWt5yXkNCipzGi9dPETw@mail.gmail.com>
Date:   Wed, 6 Dec 2017 15:51:35 +0800
From:   Chunyan Zhang <zhang.lyra@...il.com>
To:     Stephen Boyd <sboyd@...eaurora.org>
Cc:     Chunyan Zhang <chunyan.zhang@...eadtrum.com>,
        Michael Turquette <mturquette@...libre.com>,
        linux-clk <linux-clk@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Cai Li <cai.li@...eadtrum.com>,
        Orson Zhai <orson.zhai@...eadtrum.com>
Subject: Re: [PATCH V2] clk: fix a panic error caused by accessing NULL pointer

On 6 December 2017 at 07:28, Stephen Boyd <sboyd@...eaurora.org> wrote:
> On 11/21, Chunyan Zhang wrote:
>> From: Cai Li <cai.li@...eadtrum.com>
>>
>> In some cases the clock parent would be set NULL when doing re-parent,
>> it will cause a NULL pointer accessing if clk_set trace event is
>> enabled.
>>
>> This patch sets the parent as "none" if the input parameter is NULL.
>>
>> Fixes: dfc202ead312 (clk: Add tracepoints for hardware operations)
>> Signed-off-by: Cai Li <cai.li@...eadtrum.com>
>> Signed-off-by: Chunyan Zhang <chunyan.zhang@...eadtrum.com>
>> ---
>
> Applied to clk-fixes

Thanks!

Chunyan

>
> --
> Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
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