ipv4: Make ip_idents_reserve static

ip_idents_reserve is only used in net/ipv4/route.c. Make it static
and remove the export.

Signed-off-by: David Ahern <dsahern@kernel.org>
Cc: Eric Dumazet <edumazet@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/ip.h b/include/net/ip.h
index fdbab0c00fca68afcdb2f8191dc4017e083aceff..3984f2c39c4ba8b4d2a4e4dab6d743f0c9faf798 100644 (file)
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -517,7 +517,6 @@ void ip_dst_metrics_put(struct dst_entry *dst)
                kfree(p);
 }
 
-u32 ip_idents_reserve(u32 hash, int segs);
 void __ip_select_ident(struct net *net, struct iphdr *iph, int segs);
 
 static inline void ip_select_ident_segs(struct net *net, struct sk_buff *skb,

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index e42e283b5515e0a18ca230440b018f322380f14a..8b35075088e1f2e31e6196fc714c846beee7d56a 100644 (file)
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -457,7 +457,7 @@ static u32 *ip_tstamps __read_mostly;
  * if one generator is seldom used. This makes hard for an attacker
  * to infer how many packets were sent between two points in time.
  */
-u32 ip_idents_reserve(u32 hash, int segs)
+static u32 ip_idents_reserve(u32 hash, int segs)
 {
        u32 bucket, old, now = (u32)jiffies;
        atomic_t *p_id;
@@ -478,7 +478,6 @@ u32 ip_idents_reserve(u32 hash, int segs)
         */
        return atomic_add_return(segs + delta, p_id) - segs;
 }
-EXPORT_SYMBOL(ip_idents_reserve);
 
 void __ip_select_ident(struct net *net, struct iphdr *iph, int segs)
 {