linux-kernel - Re: [PATCH][next] clk: Si5341/Si5340: remove redundant assignment to n

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Date:   Mon, 22 Jul 2019 14:53:13 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Colin King <colin.king@...onical.com>,
        linux-clk@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH][next] clk: Si5341/Si5340: remove redundant assignment to n_den

Quoting Christophe JAILLET (2019-07-22 14:43:32)
> Le 22/07/2019 à 23:24, Stephen Boyd a écrit :
> > Please Cc authors of drivers so they can ack/review.
> >
> > Adding Mike to take a look.
> >
> > Quoting Colin King (2019-07-01 09:50:20)
> >> From: Colin Ian King <colin.king@...onical.com>
> >>
> >> The variable n_den is initialized however that value is never read
> >> as n_den is re-assigned a little later in the two paths of a
> >> following if-statement.  Remove the redundant assignment.
> >>
> >> Addresses-Coverity: ("Unused value")
> >> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> >> ---
> >>   drivers/clk/clk-si5341.c | 1 -
> >>   1 file changed, 1 deletion(-)
> >>
> >> diff --git a/drivers/clk/clk-si5341.c b/drivers/clk/clk-si5341.c
> >> index 72424eb7e5f8..6e780c2a9e6b 100644
> >> --- a/drivers/clk/clk-si5341.c
> >> +++ b/drivers/clk/clk-si5341.c
> >> @@ -547,7 +547,6 @@ static int si5341_synth_clk_set_rate(struct clk_hw *hw, unsigned long rate,
> >>          bool is_integer;
> >>   
> >>          n_num = synth->data->freq_vco;
> >> -       n_den = rate;
> >>   
> >>          /* see if there's an integer solution */
> >>          r = do_div(n_num, rate);
> >
> Hi,
> 
> I got the same advise from some else no later than yesterday (i.e. email 
> the author...)
> Maybe 'get_maintainer.pl' could be improved to search for it and propose 
> the mail automatically?
> 
> just my 2c.
> 

Use --git option of get_maintainer.pl?