netdev - [PATCH net-next] drivers: net: xen-netfront: Fixed W=1 set but unused warnings

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Date:   Sat, 31 Oct 2020 19:04:35 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     netdev <netdev@...r.kernel.org>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Juergen Gross <jgross@...e.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Andrew Lunn <andrew@...n.ch>
Subject: [PATCH net-next] drivers: net: xen-netfront: Fixed W=1 set but unused warnings

drivers/net/xen-netfront.c:2416:16: warning: variable ‘target’ set but not used [-Wunused-but-set-variable]
 2416 |  unsigned long target;

Remove target and just discard the return value from simple_strtoul().

This patch does give a checkpatch warning, but the warning was there
before anyway, as this file has lots of checkpatch warnings.

Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
 drivers/net/xen-netfront.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 3e9895bec15f..920cac4385bf 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -2413,12 +2413,11 @@ static ssize_t store_rxbuf(struct device *dev,
 			   const char *buf, size_t len)
 {
 	char *endp;
-	unsigned long target;
 
 	if (!capable(CAP_NET_ADMIN))
 		return -EPERM;
 
-	target = simple_strtoul(buf, &endp, 0);
+	simple_strtoul(buf, &endp, 0);
 	if (endp == buf)
 		return -EBADMSG;
 
-- 
2.28.0