linux-kernel - Re: [PATCH] staging: greybus: remove redundant assignment to variable is

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Date:   Thu, 4 Jul 2019 21:41:27 +0530
From:   Vaibhav Agarwal <vaibhav.sr@...il.com>
To:     Colin King <colin.king@...onical.com>
Cc:     Mark Greer <mgreer@...malcreek.com>,
        Johan Hovold <johan@...nel.org>, Alex Elder <elder@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        greybus-dev@...ts.linaro.org, devel@...verdev.osuosl.org,
        kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: greybus: remove redundant assignment to variable is_empty

On Thu, Jul 4, 2019 at 7:00 PM Colin King <colin.king@...onical.com> wrote:
>
> From: Colin Ian King <colin.king@...onical.com>
>
> The variable is_empty is being initialized with a value that is never
> read and it is being updated later with a new value. The
> initialization is redundant and can be removed.
>
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> ---
>  drivers/staging/greybus/audio_manager.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/greybus/audio_manager.c b/drivers/staging/greybus/audio_manager.c
> index c2a4af4c1d06..9b19ea9d3fa1 100644
> --- a/drivers/staging/greybus/audio_manager.c
> +++ b/drivers/staging/greybus/audio_manager.c
> @@ -86,7 +86,7 @@ EXPORT_SYMBOL_GPL(gb_audio_manager_remove);
>  void gb_audio_manager_remove_all(void)
>  {
>         struct gb_audio_manager_module *module, *next;
> -       int is_empty = 1;
> +       int is_empty;
>
>         down_write(&modules_rwsem);
>
> --
> 2.20.1
>
Reviewed-by: Vaibhav Agarwal <vaibhav.sr@...il.com>