Module Name: src Committed By: matt Date: Fri Jul 24 04:31:21 UTC 2015
Modified Files: src/sys/netinet: tcp_input.c Log Message: Make sure that snd_win doesn't go negative. To generate a diff of this commit: cvs rdiff -u -r1.342 -r1.343 src/sys/netinet/tcp_input.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/netinet/tcp_input.c diff -u src/sys/netinet/tcp_input.c:1.342 src/sys/netinet/tcp_input.c:1.343 --- src/sys/netinet/tcp_input.c:1.342 Wed Jul 15 09:20:18 2015 +++ src/sys/netinet/tcp_input.c Fri Jul 24 04:31:20 2015 @@ -1,4 +1,4 @@ -/* $NetBSD: tcp_input.c,v 1.342 2015/07/15 09:20:18 ozaki-r Exp $ */ +/* $NetBSD: tcp_input.c,v 1.343 2015/07/24 04:31:20 matt Exp $ */ /* * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. @@ -148,7 +148,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: tcp_input.c,v 1.342 2015/07/15 09:20:18 ozaki-r Exp $"); +__KERNEL_RCSID(0, "$NetBSD: tcp_input.c,v 1.343 2015/07/24 04:31:20 matt Exp $"); #include "opt_inet.h" #include "opt_ipsec.h" @@ -2713,7 +2713,10 @@ after_listen: tp->t_lastm = NULL; sbdrop(&so->so_snd, acked); tp->t_lastoff -= acked; - tp->snd_wnd -= acked; + if (tp->snd_wnd > acked) + tp->snd_wnd -= acked; + else + tp->snd_wnd = 0; ourfinisacked = 0; } sowwakeup(so);