1667 					struct tcp_sack_block *next_dup,  in tcp_sacktag_walk()  argument
1683 		if (next_dup  &&  in tcp_sacktag_walk()
1684 		    before(TCP_SKB_CB(skb)->seq, next_dup->end_seq)) {  in tcp_sacktag_walk()
1686 							next_dup->start_seq,  in tcp_sacktag_walk()
1687 							next_dup->end_seq);  in tcp_sacktag_walk()
1770 						struct tcp_sack_block *next_dup,  in tcp_maybe_skipping_dsack()  argument
1774 	if (!next_dup)  in tcp_maybe_skipping_dsack()
1777 	if (before(next_dup->start_seq, skip_to_seq)) {  in tcp_maybe_skipping_dsack()
1778 		skb = tcp_sacktag_skip(skb, sk, next_dup->start_seq);  in tcp_maybe_skipping_dsack()
1780 				       next_dup->start_seq, next_dup->end_seq,  in tcp_maybe_skipping_dsack()
1902 		struct tcp_sack_block *next_dup = NULL;  in tcp_sacktag_write_queue()  local
1905 			next_dup = &sp[i + 1];  in tcp_sacktag_write_queue()
1919 				skb = tcp_sacktag_walk(skb, sk, next_dup,  in tcp_sacktag_write_queue()
1930 			skb = tcp_maybe_skipping_dsack(skb, sk, next_dup,  in tcp_sacktag_write_queue()
1958 		skb = tcp_sacktag_walk(skb, sk, next_dup, state,  in tcp_sacktag_write_queue()