linux-kernel - Re: [PATCH v3 2/2] clk:mmp: clk-mix.c fix divide-by-zero

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Message-ID: <155606042712.15276.6873845293187802041@swboyd.mtv.corp.google.com>
Date:   Tue, 23 Apr 2019 16:00:27 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     chao.xie@...vell.com, jbrunet@...libre.com, mojha@...eaurora.org,
        mturquette@...libre.com, nixiaoming@...wei.com,
        sboyd@...eaurora.org, soren.brinkmann@...inx.com
Cc:     linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/2] clk:mmp: clk-mix.c fix divide-by-zero

Quoting nixiaoming (2019-03-30 06:55:42)
> The _get_div() function has a branch with a return value of 0
> Add a check on the return value of _get_div() to avoid divide-by-zero
> 

Are you seeing this in practice? Or just trying to avoid a div-by-zero
case that you've found from inspection? 

> Signed-off-by: nixiaoming <nixiaoming@...wei.com>
> Reviewed-by: Mukesh Ojha <mojha@...eaurora.org>