ipv4: Remove unused but set variable

Remove the unused but set variable dev in ip_do_fragment to fix the following GCC warning when building with 'W=1': net/ipv4/ip_output.c: In function ‘ip_do_fragment’: net/ipv4/ip_output.c:541:21: warning: variable ‘dev’ set but not used [-Wunused-but-set-variable] Signed-off-by: Tobias Klauser <[email protected]> Signed-off-by: David S. Miller <[email protected]>
ambv · Oct 18, 2016 · 7e1670c · 7e1670c
1 parent 1826277
commit 7e1670c
Showing 1 changed file with 0 additions and 3 deletions.
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
@@ -538,16 +538,13 @@ int ip_do_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
 {
 	struct iphdr *iph;
 	int ptr;
-	struct net_device *dev;
 	struct sk_buff *skb2;
 	unsigned int mtu, hlen, left, len, ll_rs;
 	int offset;
 	__be16 not_last_frag;
 	struct rtable *rt = skb_rtable(skb);
 	int err = 0;
 
-	dev = rt->dst.dev;
-
 	/* for offloaded checksums cleanup checksum before fragmentation */
 	if (skb->ip_summed == CHECKSUM_PARTIAL &&
 	    (err = skb_checksum_help(skb)))