linux-kernel - Re: [PATCH] HID: intel-ish-hid: Remove an unused variable 'ret'

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Date:   Fri, 02 Apr 2021 07:46:08 -0700
From:   Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
To:     Yang Li <yang.lee@...ux.alibaba.com>
Cc:     jikos@...nel.org, benjamin.tissoires@...hat.com,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] HID: intel-ish-hid: Remove an unused variable 'ret'

On Fri, 2021-04-02 at 18:06 +0800, Yang Li wrote:
> Fixes the following W=1 kernel build warning(s):
> 
> drivers/hid/intel-ish-hid/ipc/pci-ish.c:264:6: warning: variable
> ‘ret’
> set but not used
> 
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>

> ---
>  drivers/hid/intel-ish-hid/ipc/pci-ish.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/hid/intel-ish-hid/ipc/pci-ish.c
> b/drivers/hid/intel-ish-hid/ipc/pci-ish.c
> index 06081cf..61efc30 100644
> --- a/drivers/hid/intel-ish-hid/ipc/pci-ish.c
> +++ b/drivers/hid/intel-ish-hid/ipc/pci-ish.c
> @@ -261,7 +261,6 @@ static void __maybe_unused
> ish_resume_handler(struct work_struct *work)
>  	struct pci_dev *pdev = to_pci_dev(ish_resume_device);
>  	struct ishtp_device *dev = pci_get_drvdata(pdev);
>  	uint32_t fwsts = dev->ops->get_fw_status(dev);
> -	int ret;
>  
>  	if (ish_should_leave_d0i3(pdev) && !dev->suspend_flag
>  			&& IPC_IS_ISH_ILUP(fwsts)) {
> @@ -273,7 +272,7 @@ static void __maybe_unused
> ish_resume_handler(struct work_struct *work)
>  
>  		/* Waiting to get resume response */
>  		if (dev->resume_flag)
> -			ret = wait_event_interruptible_timeout(dev-
> >resume_wait,
> +			wait_event_interruptible_timeout(dev-
> >resume_wait,
>  				!dev->resume_flag,
>  				msecs_to_jiffies(WAIT_FOR_RESUME_ACK_MS
> ));
>