linux-kernel - Re: [PATCH] usb: dwc3: host: remove dead code in dwc3_host_get

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Message-ID: <75332169-0249-c53d-962d-c5f3641a7980@gmail.com>
Date:   Thu, 23 Mar 2023 12:01:54 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...il.com>
To:     Mingxuan Xiang <mx_xiang@...t.edu.cn>,
        Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     hust-os-kernel-patches@...glegroups.com,
        Dongliang Mu <dzm91@...t.edu.cn>, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: dwc3: host: remove dead code in dwc3_host_get_irq()

On 3/23/23 8:42 AM, Mingxuan Xiang wrote:

> platform_get_irq() no longer returns 0, so there is no
> need to check whether the return value is 0.
> 
> Signed-off-by: Mingxuan Xiang <mx_xiang@...t.edu.cn>
> ---
>  drivers/usb/dwc3/host.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
> index f6f13e7f1ba1..aa19c27344e6 100644
> --- a/drivers/usb/dwc3/host.c
> +++ b/drivers/usb/dwc3/host.c
> @@ -57,9 +57,6 @@ static int dwc3_host_get_irq(struct dwc3 *dwc)
>  		goto out;

   Shouldn't *goto* be dropped now?

>  	}
>  
> -	if (!irq)
> -		irq = -EINVAL;
> -
>  out:
>  	return irq;
>  }

MBR, Sergey