linux-kernel - Re: [PATCH][V2] hid: intel-ish-hid: ishtp: remove variable rb

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Date:   Sat, 12 Nov 2022 08:10:30 -0800
From:   srinivas pandruvada <srinivas.pandruvada@...ux.intel.com>
To:     Colin Ian King <colin.i.king@...il.com>,
        Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Even Xu <even.xu@...el.com>, linux-input@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH][V2] hid: intel-ish-hid: ishtp: remove variable rb_count

On Thu, 2022-10-20 at 22:02 +0100, Colin Ian King wrote:
> The variable rb_count is being incremented but it
> is never referenced, it is redundant and can be removed.
> 
> Signed-off-by: Colin Ian King <colin.i.king@...il.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>

> ---
> V2: Fix commit message.
> ---
>  drivers/hid/intel-ish-hid/ishtp/client.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/hid/intel-ish-hid/ishtp/client.c
> b/drivers/hid/intel-ish-hid/ishtp/client.c
> index df0a825694f5..2d92fc129ce4 100644
> --- a/drivers/hid/intel-ish-hid/ishtp/client.c
> +++ b/drivers/hid/intel-ish-hid/ishtp/client.c
> @@ -841,7 +841,6 @@ void recv_ishtp_cl_msg(struct ishtp_device *dev,
>         unsigned char *buffer = NULL;
>         struct ishtp_cl_rb *complete_rb = NULL;
>         unsigned long   flags;
> -       int     rb_count;
>  
>         if (ishtp_hdr->reserved) {
>                 dev_err(dev->devc, "corrupted message header.\n");
> @@ -855,9 +854,7 @@ void recv_ishtp_cl_msg(struct ishtp_device *dev,
>         }
>  
>         spin_lock_irqsave(&dev->read_list_spinlock, flags);
> -       rb_count = -1;
>         list_for_each_entry(rb, &dev->read_list.list, list) {
> -               ++rb_count;
>                 cl = rb->cl;
>                 if (!cl || !(cl->host_client_id == ishtp_hdr-
> >host_addr &&
>                                 cl->fw_client_id == ishtp_hdr-
> >fw_addr) ||