linux-kernel - [PATCH] staging: emxx_udc: emxx_udc: Removed variables that is never used

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Date:	Wed, 28 Jan 2015 23:42:40 +0100
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Vincenzo Scotti <vinc94@...il.com>
Cc:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	Roberta Dobrescu <roberta.dobrescu@...il.com>,
	Sachin Kamat <sachin.kamat@...sung.com>,
	Simon Horman <horms+renesas@...ge.net.au>,
	Ebru Akagunduz <ebru.akagunduz@...il.com>,
	Magnus Damm <damm+renesas@...nsource.se>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH] staging: emxx_udc: emxx_udc: Removed variables that is never used

Variable ar assigned a value that is never used.
I have also removed all the code that thereby serves no purpose.

This was found using a static code analysis program called cppcheck

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
---
 drivers/staging/emxx_udc/emxx_udc.c |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/emxx_udc/emxx_udc.c b/drivers/staging/emxx_udc/emxx_udc.c
index eb178fc..b916fab 100644
--- a/drivers/staging/emxx_udc/emxx_udc.c
+++ b/drivers/staging/emxx_udc/emxx_udc.c
@@ -2974,10 +2974,10 @@ static int nbu2ss_ep_fifo_status(struct usb_ep *_ep)
 	spin_lock_irqsave(&udc->lock, flags);
 
 	if (ep->epnum == 0) {
-		data = _nbu2ss_readl(&preg->EP0_LENGTH) & EP0_LDATA;
+		_nbu2ss_readl(&preg->EP0_LENGTH) & EP0_LDATA;
 
 	} else {
-		data = _nbu2ss_readl(&preg->EP_REGS[ep->epnum-1].EP_LEN_DCNT)
+		_nbu2ss_readl(&preg->EP_REGS[ep->epnum-1].EP_LEN_DCNT)
 			& EPn_LDATA;
 	}
 
@@ -3264,12 +3264,11 @@ static void __init nbu2ss_drv_set_ep_info(
 	if (isdigit(name[2])) {
 
 		long	num;
-		int	res;
 		char	tempbuf[2];
 
 		tempbuf[0] = name[2];
 		tempbuf[1] = '\0';
-		res = kstrtol(tempbuf, 16, &num);
+		kstrtol(tempbuf, 16, &num);
 
 		if (num == 0)
 			ep->ep.maxpacket = EP0_PACKETSIZE;
-- 
1.7.10.4

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