---

yaml --- r: 134974 b: refs/heads/master c: 59a08cb h: refs/heads/master v: v3
git-mirror · Mar 2, 2009 · 88378ce · 88378ce
1 parent 5e165da
commit 88378ce
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Showing 2 changed files with 6 additions and 9 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ac11ba753f3aa839292c1a3b6c971c637ad2e839
+refs/heads/master: 59a08cba6a604a265e45e9b970e372554cf46627
diff --git a/trunk/net/ipv4/tcp_input.c b/trunk/net/ipv4/tcp_input.c
@@ -3273,18 +3273,15 @@ static int tcp_clean_rtx_queue(struct sock *sk, int prior_fackets,
 		if (tcp_is_reno(tp)) {
 			tcp_remove_reno_sacks(sk, pkts_acked);
 		} else {
+			int delta;
+
 			/* Non-retransmitted hole got filled? That's reordering */
 			if (reord < prior_fackets)
 				tcp_update_reordering(sk, tp->fackets_out - reord, 0);
 
-			/* No need to care for underflows here because
-			 * the lost_skb_hint gets NULLed if we're past it
-			 * (or something non-trivial happened)
-			 */
-			if (tcp_is_fack(tp))
-				tp->lost_cnt_hint -= pkts_acked;
-			else
-				tp->lost_cnt_hint -= prior_sacked - tp->sacked_out;
+			delta = tcp_is_fack(tp) ? pkts_acked :
+						  prior_sacked - tp->sacked_out;
+			tp->lost_cnt_hint -= min(tp->lost_cnt_hint, delta);
 		}
 
 		tp->fackets_out -= min(pkts_acked, tp->fackets_out);