linux-kernel - [PATCH] usb: chipidea: udc: compress return logic into line

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Date:   Sun, 9 Jul 2017 21:08:20 -0500
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     Peter Chen <Peter.Chen@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Subject: [PATCH] usb: chipidea: udc: compress return logic into 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/chipidea/udc.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index d68b125..6502c13 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -944,7 +944,6 @@ isr_setup_status_complete(struct usb_ep *ep, struct usb_request *req)
  */
 static int isr_setup_status_phase(struct ci_hdrc *ci)
 {
-	int retval;
 	struct ci_hw_ep *hwep;
 
 	/*
@@ -960,9 +959,7 @@ static int isr_setup_status_phase(struct ci_hdrc *ci)
 	ci->status->context = ci;
 	ci->status->complete = isr_setup_status_complete;
 
-	retval = _ep_queue(&hwep->ep, ci->status, GFP_ATOMIC);
-
-	return retval;
+	return _ep_queue(&hwep->ep, ci->status, GFP_ATOMIC);
 }
 
 /**
-- 
2.5.0