+ else {
+ if (skb_cloned(f_frag)) {
+ /* This is a cloned skb, we can't just modify
+ * the frag_list. We need a new skb to do that.
+ * Instead of calling skb_unshare(), we'll do it
+ * ourselves since we need to delay the free.
+ */
+ new = skb_copy(f_frag, GFP_ATOMIC);
+ if (!new)
+ return NULL; /* try again later */
+
+ sctp_skb_set_owner_r(new, f_frag->sk);
+
+ skb_shinfo(new)->frag_list = pos;
+ } else
+ skb_shinfo(f_frag)->frag_list = pos;
+ }