linux-kernel - [PATCH 2/2] usb: gadget: udc: remove unnecessary variable and update function prototype

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Date:   Mon, 13 Feb 2017 09:40:50 -0600
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     balbi@...nel.org, gregkh@...uxfoundation.org, bhelgaas@...gle.com,
        mina86@...a86.com, heikki.krogerus@...ux.intel.com
Cc:     linux-geode@...ts.infradead.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] usb: gadget: udc: remove unnecessary variable and update
 function prototype

Remove unnecessary variable and update function prototype.

Reviewed-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
---
 drivers/usb/gadget/udc/amd5536udc.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/usb/gadget/udc/amd5536udc.c b/drivers/usb/gadget/udc/amd5536udc.c
index ded97a3..3f64a06 100644
--- a/drivers/usb/gadget/udc/amd5536udc.c
+++ b/drivers/usb/gadget/udc/amd5536udc.c
@@ -608,9 +608,8 @@ udc_alloc_request(struct usb_ep *usbep, gfp_t gfp)
 }
 
 /* frees pci pool descriptors of a DMA chain */
-static int udc_free_dma_chain(struct udc *dev, struct udc_request *req)
+static void udc_free_dma_chain(struct udc *dev, struct udc_request *req)
 {
-	int ret_val = 0;
 	struct udc_data_dma *td = req->td_data;
 	unsigned int i;
 
@@ -629,8 +628,6 @@ static int udc_free_dma_chain(struct udc *dev, struct udc_request *req)
 		td = NULL;
 		addr = addr_aux;
 	}
-
-	return ret_val;
 }
 
 /* Frees request packet, called by gadget driver */
-- 
2.5.0