[IPV6] net/ipv6/ndisc.c: remove unused variable

The variable hlen is initialized but never used otherwise.

The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@@
type T;
identifier i;
constant C;
@@

(
extern T i;
|
- T i;
  <+... when != i
- i = C;
  ...+>
)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 2 deletions

diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 0d33a7d32125..51557c27a0cd 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1420,7 +1420,6 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
         u8 *opt;
         int rd_len;
         int err;
-        int hlen;
         u8 ha_buf[MAX_ADDR_LEN], *ha = NULL;
 
         dev = skb->dev;
@@ -1491,7 +1490,6 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
                 return;
         }
 
-        hlen = 0;
 
         skb_reserve(buff, LL_RESERVED_SPACE(dev));
         ip6_nd_hdr(sk, buff, dev, &saddr_buf, &ipv6_hdr(skb)->saddr,