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Message-ID: <73e25e50-c65a-bd43-d51c-1291a9168cd2@xilinx.com>
Date: Mon, 10 Jul 2017 08:32:55 +0200
From: Michal Simek <michal.simek@...inx.com>
To: "Gustavo A. R. Silva" <garsilva@...eddedor.com>,
Felipe Balbi <balbi@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Michal Simek <michal.simek@...inx.com>,
Sören Brinkmann <soren.brinkmann@...inx.com>
CC: <linux-usb@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] usb: gadget: udc-xilinx: compress return logic into one
line
On 10.7.2017 05:04, Gustavo A. R. Silva wrote:
> Simplify return logic to avoid unnecessary variable assignment.
>
> This issue was detected using Coccinelle and the following
> semantic patch:
>
> @@
> local idexpression ret;
> expression e;
> @@
>
> -ret =
> +return
> e;
> -return ret;
>
> Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
> ---
> drivers/usb/gadget/udc/udc-xilinx.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/usb/gadget/udc/udc-xilinx.c b/drivers/usb/gadget/udc/udc-xilinx.c
> index de207a9..552389d 100644
> --- a/drivers/usb/gadget/udc/udc-xilinx.c
> +++ b/drivers/usb/gadget/udc/udc-xilinx.c
> @@ -1217,14 +1217,13 @@ static const struct usb_ep_ops xusb_ep_ops = {
> static int xudc_get_frame(struct usb_gadget *gadget)
> {
> struct xusb_udc *udc;
> - int frame;
>
> if (!gadget)
> return -ENODEV;
>
> udc = to_udc(gadget);
> - frame = udc->read_fn(udc->addr + XUSB_FRAMENUM_OFFSET);
> - return frame;
> +
> + return udc->read_fn(udc->addr + XUSB_FRAMENUM_OFFSET);
> }
>
> /**
>
Acked-by: Michal Simek <michal.simek@...inx.com>
Thanks,
Michal
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