diff options
Diffstat (limited to 'sys/netinet/tcp_timer.c')
| -rw-r--r-- | sys/netinet/tcp_timer.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/sys/netinet/tcp_timer.c b/sys/netinet/tcp_timer.c index a035989..488c293 100644 --- a/sys/netinet/tcp_timer.c +++ b/sys/netinet/tcp_timer.c @@ -41,6 +41,7 @@ #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> +#include <sys/mbuf.h> #include <sys/sysctl.h> #include <sys/socket.h> #include <sys/socketvar.h> @@ -222,6 +223,7 @@ tcp_timer_keep(xtp) void *xtp; { struct tcpcb *tp = xtp; + struct tcptemp *t_template; int s; #ifdef TCPDEBUG int ostate; @@ -259,9 +261,13 @@ tcp_timer_keep(xtp) * correspondent TCP to respond. */ tcpstat.tcps_keepprobe++; - tcp_respond(tp, tp->t_template->tt_ipgen, - &tp->t_template->tt_t, (struct mbuf *)NULL, - tp->rcv_nxt, tp->snd_una - 1, 0); + t_template = tcp_maketemplate(tp); + if (t_template) { + tcp_respond(tp, t_template->tt_ipgen, + &t_template->tt_t, (struct mbuf *)NULL, + tp->rcv_nxt, tp->snd_una - 1, 0); + (void) m_free(dtom(t_template)); + } callout_reset(tp->tt_keep, tcp_keepintvl, tcp_timer_keep, tp); } else callout_reset(tp->tt_keep, tcp_keepidle, tcp_timer_keep, tp); |
