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Make sure tcp_respond() always calls ip_output() with a valid

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route pointer.  This has no effect in the current ip_output(),
but my version requires that ip_output() always be passed a route.
This commit is contained in:
Garrett Wollman 1996-03-22 18:11:25 +00:00
parent 233e8c18e8
commit 9512fd2ec6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=14754
2 changed files with 16 additions and 2 deletions
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9
sys/netinet/tcp_subr.c
View file

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)tcp_subr.c 8.2 (Berkeley) 5/24/95
* $Id: tcp_subr.c,v 1.25 1995/12/20 17:42:28 wollman Exp $
* $Id: tcp_subr.c,v 1.26 1996/03/11 15:13:33 davidg Exp $
*/
#include <sys/param.h>
@ -177,10 +177,14 @@ tcp_respond(tp, ti, m, ack, seq, flags)
register int tlen;
int win = 0;
struct route *ro = 0;
struct route sro;
if (tp) {
win = sbspace(&tp->t_inpcb->inp_socket->so_rcv);
ro = &tp->t_inpcb->inp_route;
} else {
ro = &sro;
bzero(ro, sizeof *ro);
}
if (m == 0) {
m = m_gethdr(M_DONTWAIT, MT_HEADER);
@ -232,6 +236,9 @@ tcp_respond(tp, ti, m, ack, seq, flags)
tcp_trace(TA_OUTPUT, 0, tp, ti, 0);
#endif
(void) ip_output(m, NULL, ro, 0, NULL);
if (ro == &sro) {
RTFREE(ro->ro_rt);
}
}
/*

9
sys/netinet/tcp_timewait.c
View file

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)tcp_subr.c 8.2 (Berkeley) 5/24/95
* $Id: tcp_subr.c,v 1.25 1995/12/20 17:42:28 wollman Exp $
* $Id: tcp_subr.c,v 1.26 1996/03/11 15:13:33 davidg Exp $
*/
#include <sys/param.h>
@ -177,10 +177,14 @@ tcp_respond(tp, ti, m, ack, seq, flags)
register int tlen;
int win = 0;
struct route *ro = 0;
struct route sro;
if (tp) {
win = sbspace(&tp->t_inpcb->inp_socket->so_rcv);
ro = &tp->t_inpcb->inp_route;
} else {
ro = &sro;
bzero(ro, sizeof *ro);
}
if (m == 0) {
m = m_gethdr(M_DONTWAIT, MT_HEADER);
@ -232,6 +236,9 @@ tcp_respond(tp, ti, m, ack, seq, flags)
tcp_trace(TA_OUTPUT, 0, tp, ti, 0);
#endif
(void) ip_output(m, NULL, ro, 0, NULL);
if (ro == &sro) {
RTFREE(ro->ro_rt);
}
}
/*