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_strandqv...@spectrumdigital.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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