linux-kernel - Re: [PATCH linux-next] usb: dwc3: gadget: remove redundant ret variable in dwc3_gadget_vbus

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Date:   Fri, 18 Nov 2022 00:40:46 +0000
From:   Thinh Nguyen <Thinh.Nguyen@...opsys.com>
To:     "guo.ziliang@....com.cn" <guo.ziliang@....com.cn>
CC:     Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH linux-next] usb: dwc3: gadget: remove redundant ret
 variable in dwc3_gadget_vbus_draw

On Thu, Nov 17, 2022, guo.ziliang@....com.cn wrote:
> From: guo ziliang <guo.ziliang@....com.cn>

Add new line here.

> Return value from dwc3_gadget_vbus_draw() directly instead of taking
> this in another redundant variable.
> 
> Signed-off-by: guo ziliang <guo.ziliang@....com.cn>
> ---
>  drivers/usb/dwc3/gadget.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
> index faf37c6..d984d68 100644
> --- a/drivers/usb/dwc3/gadget.c
> +++ b/drivers/usb/dwc3/gadget.c
> @@ -2904,7 +2904,6 @@ static int dwc3_gadget_vbus_draw(struct usb_gadget *g, unsigned int mA)
>  {
>         struct dwc3             *dwc = gadget_to_dwc(g);
>         union power_supply_propval      val = {0};
> -       int                             ret;
> 
>         if (dwc->usb2_phy)
>                 return usb_phy_set_power(dwc->usb2_phy, mA);
> @@ -2913,9 +2912,7 @@ static int dwc3_gadget_vbus_draw(struct usb_gadget *g, unsigned int mA)
>                 return -EOPNOTSUPP;
> 
>         val.intval = 1000 * mA;
> -       ret = power_supply_set_property(dwc->usb_psy, POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, &val);
> -
> -       return ret;
> +       return power_supply_set_property(dwc->usb_psy, POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, &val);
>  }
> 
>  /**
> --
> 1.8.3.1

Looks like the patch is corrupted.

Regardless, I think it's fine as is without this change.

BR,
Thinh