linux-kernel - [PATCH] usb: gadget: fsl_udc_core: compress return logic into one line

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Date:   Sun, 9 Jul 2017 22:15:39 -0500
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     Li Yang <leoyang.li@....com>, Felipe Balbi <balbi@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-usb@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Subject: [PATCH] usb: gadget: fsl_udc_core: compress return logic into one
 line

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/fsl_udc_core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c
index 6f2f71c..bf8ff5e 100644
--- a/drivers/usb/gadget/udc/fsl_udc_core.c
+++ b/drivers/usb/gadget/udc/fsl_udc_core.c
@@ -1642,8 +1642,7 @@ static int process_ep_req(struct fsl_udc *udc, int pipe,
 		} else if (hc32_to_cpu(curr_td->size_ioc_sts)
 				& DTD_STATUS_ACTIVE) {
 			VDBG("Request not complete");
-			status = REQ_UNCOMPLETE;
-			return status;
+			return REQ_UNCOMPLETE;
 		} else if (remaining_length) {
 			if (direction) {
 				VDBG("Transmit dTD remaining length not zero");
-- 
2.5.0