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ipv4: Remove unused but set variable

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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 <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tobias Klauser 2016-10-18 09:40:20 +02:00 committed by David S. Miller
parent 1826277802
commit 7e1670c15c
1 changed files with 0 additions and 3 deletions
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3
net/ipv4/ip_output.c
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@ -538,7 +538,6 @@ int ip_do_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
{ {
struct iphdr *iph; struct iphdr *iph;
int ptr; int ptr;
struct net_device *dev;
struct sk_buff *skb2; struct sk_buff *skb2;
unsigned int mtu, hlen, left, len, ll_rs; unsigned int mtu, hlen, left, len, ll_rs;
int offset; int offset;
@ -546,8 +545,6 @@ int ip_do_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
struct rtable *rt = skb_rtable(skb); struct rtable *rt = skb_rtable(skb);
int err = 0; int err = 0;
dev = rt->dst.dev;
/* for offloaded checksums cleanup checksum before fragmentation */ /* for offloaded checksums cleanup checksum before fragmentation */
if (skb->ip_summed == CHECKSUM_PARTIAL && if (skb->ip_summed == CHECKSUM_PARTIAL &&
(err = skb_checksum_help(skb))) (err = skb_checksum_help(skb)))