Re: [PATCH][next] clk: Si5341/Si5340: remove redundant assignment to n_den

From: Stephen Boyd
Date: Mon Jul 22 2019 - 17:24:17 EST


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@xxxxxxxxxxxxx>
>
> 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@xxxxxxxxxxxxx>
> ---
> 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);