net: make skb_dst_pop routine static

As xfrm_output_one() is the only caller of skb_dst_pop(), we should
make skb_dst_pop() localized.

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/dst.h b/include/net/dst.h
index 22aa93f..2bc73f8 100644 (file)
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -349,18 +349,6 @@ static inline void skb_tunnel_rx(struct sk_buff *skb, struct net_device *dev,
        __skb_tunnel_rx(skb, dev, net);
 }
 
-/* Children define the path of the packet through the
- * Linux networking.  Thus, destinations are stackable.
- */
-
-static inline struct dst_entry *skb_dst_pop(struct sk_buff *skb)
-{
-       struct dst_entry *child = dst_clone(skb_dst(skb)->child);
-
-       skb_dst_drop(skb);
-       return child;
-}
-
 int dst_discard_sk(struct sock *sk, struct sk_buff *skb);
 static inline int dst_discard(struct sk_buff *skb)
 {

diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index fbcedbe..68ada2c 100644 (file)
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -38,6 +38,18 @@ static int xfrm_skb_check_space(struct sk_buff *skb)
        return pskb_expand_head(skb, nhead, ntail, GFP_ATOMIC);
 }
 
+/* Children define the path of the packet through the
+ * Linux networking.  Thus, destinations are stackable.
+ */
+
+static struct dst_entry *skb_dst_pop(struct sk_buff *skb)
+{
+       struct dst_entry *child = dst_clone(skb_dst(skb)->child);
+
+       skb_dst_drop(skb);
+       return child;
+}
+
 static int xfrm_output_one(struct sk_buff *skb, int err)
 {
        struct dst_entry *dst = skb_dst(skb);