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Don't sleep when handling ESP over UDP packets.

This commit is contained in:
manu 2005-04-25 20:37:06 +00:00
parent 99c093bad3
commit 52786ce730
1 changed files with 7 additions and 4 deletions
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11
sys/netinet/udp_usrreq.c
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@ -1,4 +1,4 @@
/* $NetBSD: udp_usrreq.c,v 1.136 2005/04/23 14:05:28 manu Exp $ */
/* $NetBSD: udp_usrreq.c,v 1.137 2005/04/25 20:37:06 manu Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@ -61,7 +61,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: udp_usrreq.c,v 1.136 2005/04/23 14:05:28 manu Exp $");
__KERNEL_RCSID(0, "$NetBSD: udp_usrreq.c,v 1.137 2005/04/25 20:37:06 manu Exp $");
#include "opt_inet.h"
#include "opt_ipsec.h"
@ -1456,8 +1456,11 @@ udp4_espinudp(m, off, src, so)
* to select the right SPD for multiple hosts behind
* same NAT
*/
tag = m_tag_get(PACKET_TAG_IPSEC_NAT_T_PORTS,
sizeof(sport) + sizeof(dport), M_WAITOK);
if ((tag = m_tag_get(PACKET_TAG_IPSEC_NAT_T_PORTS,
sizeof(sport) + sizeof(dport), M_DONTWAIT)) == NULL) {
printf("udp4_espinudp: m_tag_get failed\n");
return 0;
}
((u_int16_t *)(tag + 1))[0] = sport;
((u_int16_t *)(tag + 1))[1] = dport;
m_tag_prepend(n, tag);