linux-kernel - [PATCH v2 1/2] usb: dwc2: gadget: modify return statement

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Message-Id: <1413445270-27672-1-git-send-email-sudipm.mukherjee@gmail.com>
Date:	Thu, 16 Oct 2014 13:11:09 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Paul Zimmerman <paulz@...opsys.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Sudip Mukherjee <sudipm.mukherjee@...il.com>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/2] usb: dwc2: gadget: modify return statement

modified the function to have a single return statement at the end
instead of multiple return statement in the middle of the function
to improve the readability of the code.

Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
---
 drivers/usb/dwc2/gadget.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 7b5856f..af5517f 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -2471,7 +2471,8 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep,
 	dir_in = (desc->bEndpointAddress & USB_ENDPOINT_DIR_MASK) ? 1 : 0;
 	if (dir_in != hs_ep->dir_in) {
 		dev_err(hsotg->dev, "%s: direction mismatch!\n", __func__);
-		return -EINVAL;
+		ret = -EINVAL;
+		goto error1;
 	}
 
 	mps = usb_endpoint_maxp(desc);
@@ -2561,8 +2562,10 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep,
 			hs_ep->fifo_size = val;
 			break;
 		}
-		if (i == 8)
-			return -ENOMEM;
+		if (i == 8) {
+			ret = -ENOMEM;
+			goto error1;
+		}
 	}
 
 	/* for non control endpoints, set PID to D0 */
@@ -2580,6 +2583,8 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep,
 	s3c_hsotg_ctrl_epint(hsotg, index, dir_in, 1);
 
 	spin_unlock_irqrestore(&hsotg->lock, flags);
+
+error1:
 	return ret;
 }
 
-- 
1.8.1.2

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