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-rw-r--r--include/linux/skbuff.h23
1 files changed, 2 insertions, 21 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index e9281b5b7f59..ef64cec42804 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -717,9 +717,6 @@ static inline void skb_dst_set(struct sk_buff *skb, struct dst_entry *dst)
717 skb->_skb_refdst = (unsigned long)dst; 717 skb->_skb_refdst = (unsigned long)dst;
718} 718}
719 719
720void __skb_dst_set_noref(struct sk_buff *skb, struct dst_entry *dst,
721 bool force);
722
723/** 720/**
724 * skb_dst_set_noref - sets skb dst, hopefully, without taking reference 721 * skb_dst_set_noref - sets skb dst, hopefully, without taking reference
725 * @skb: buffer 722 * @skb: buffer
@@ -732,24 +729,8 @@ void __skb_dst_set_noref(struct sk_buff *skb, struct dst_entry *dst,
732 */ 729 */
733static inline void skb_dst_set_noref(struct sk_buff *skb, struct dst_entry *dst) 730static inline void skb_dst_set_noref(struct sk_buff *skb, struct dst_entry *dst)
734{ 731{
735 __skb_dst_set_noref(skb, dst, false); 732 WARN_ON(!rcu_read_lock_held() && !rcu_read_lock_bh_held());
736} 733 skb->_skb_refdst = (unsigned long)dst | SKB_DST_NOREF;
737
738/**
739 * skb_dst_set_noref_force - sets skb dst, without taking reference
740 * @skb: buffer
741 * @dst: dst entry
742 *
743 * Sets skb dst, assuming a reference was not taken on dst.
744 * No reference is taken and no dst_release will be called. While for
745 * cached dsts deferred reclaim is a basic feature, for entries that are
746 * not cached it is caller's job to guarantee that last dst_release for
747 * provided dst happens when nobody uses it, eg. after a RCU grace period.
748 */
749static inline void skb_dst_set_noref_force(struct sk_buff *skb,
750 struct dst_entry *dst)
751{
752 __skb_dst_set_noref(skb, dst, true);
753} 734}
754 735
755/** 736/**