udpv6: Remove unused skb argument of ipv6_select_ident()

- move ipv6_select_ident() inline function to ipv6.h and remove the unused
  skb argument

Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 15 deletions

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 1c6f0fc43690..dd1a980b8ac9 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -57,18 +57,6 @@
 
 static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *));
 
-static __inline__ void ipv6_select_ident(struct sk_buff *skb, struct frag_hdr *fhdr)
-{
-        static u32 ipv6_fragmentation_id = 1;
-        static DEFINE_SPINLOCK(ip6_id_lock);
-
-        spin_lock_bh(&ip6_id_lock);
-        fhdr->identification = htonl(ipv6_fragmentation_id);
-        if (++ipv6_fragmentation_id == 0)
-                ipv6_fragmentation_id = 1;
-        spin_unlock_bh(&ip6_id_lock);
-}
-
 int __ip6_local_out(struct sk_buff *skb)
 {
         int len;
@@ -706,7 +694,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
                 skb_reset_network_header(skb);
                 memcpy(skb_network_header(skb), tmp_hdr, hlen);
 
-                ipv6_select_ident(skb, fh);
+                ipv6_select_ident(fh);
                 fh->nexthdr = nexthdr;
                 fh->reserved = 0;
                 fh->frag_off = htons(IP6_MF);
@@ -844,7 +832,7 @@ slow_path:
                 fh->nexthdr = nexthdr;
                 fh->reserved = 0;
                 if (!frag_id) {
-                        ipv6_select_ident(skb, fh);
+                        ipv6_select_ident(fh);
                         frag_id = fh->identification;
                 } else
                         fh->identification = frag_id;
@@ -1093,7 +1081,7 @@ static inline int ip6_ufo_append_data(struct sock *sk,
                 skb_shinfo(skb)->gso_size = (mtu - fragheaderlen -
                                              sizeof(struct frag_hdr)) & ~7;
                 skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
-                ipv6_select_ident(skb, &fhdr);
+                ipv6_select_ident(&fhdr);
                 skb_shinfo(skb)->ip6_frag_id = fhdr.identification;
                 __skb_queue_tail(&sk->sk_write_queue, skb);