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

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Message-ID: <20171205232854.GC4283@codeaurora.org>
Date:   Tue, 5 Dec 2017 15:28:54 -0800
From:   Stephen Boyd <sboyd@...eaurora.org>
To:     Chunyan Zhang <chunyan.zhang@...eadtrum.com>
Cc:     Michael Turquette <mturquette@...libre.com>,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        Cai Li <cai.li@...eadtrum.com>,
        Orson Zhai <orson.zhai@...eadtrum.com>,
        Chunyan Zhang <zhang.lyra@...il.com>
Subject: Re: [PATCH V2] clk: fix a panic error caused by accessing NULL
 pointer

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

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