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authorYing Xue <ying.xue@windriver.com>2015-05-12 10:29:44 (GMT)
committerDavid S. Miller <davem@davemloft.net>2015-05-13 03:19:49 (GMT)
commit9449c3cd90472141cf081af88181a56163ff7132 (patch)
treeb6519d7899fbf123f1320393b70c1c85f7926c1f /net/xfrm
parentcffc642d93f9324a06dfbd7da9af29652952a248 (diff)
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>
Diffstat (limited to 'net/xfrm')
-rw-r--r--net/xfrm/xfrm_output.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index fbcedbe..68ada2c 100644
--- 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);

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