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authorAlexander Bluhm <bluhm@cvs.openbsd.org>2011-01-09 20:25:47 +0000
committerAlexander Bluhm <bluhm@cvs.openbsd.org>2011-01-09 20:25:47 +0000
commitf7ce9c3a5652c25ce851a15a51bfb99ad5c2a7ff (patch)
tree0785bb5f6aca07a67719051a43fb941708c2f90a /sys
parent7183de2a49af2bc8ec1654da282abfa30170a00a (diff)
In ip6_forward() only one call to icmp6_error() was not protected
by an if (mcopy). The variable mcopy comes from m_copy() and could be NULL. Bring this call in line with all the other icmp6_error() calls. ok henning@, claudio@, markus@, mpf@
Diffstat (limited to 'sys')
-rw-r--r--sys/netinet6/ip6_forward.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/netinet6/ip6_forward.c b/sys/netinet6/ip6_forward.c
index 7904a23581c..210df948d91 100644
--- a/sys/netinet6/ip6_forward.c
+++ b/sys/netinet6/ip6_forward.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ip6_forward.c,v 1.49 2010/07/09 16:58:06 reyk Exp $ */
+/* $OpenBSD: ip6_forward.c,v 1.50 2011/01/09 20:25:46 bluhm Exp $ */
/* $KAME: ip6_forward.c,v 1.75 2001/06/29 12:42:13 jinmei Exp $ */
/*
@@ -425,7 +425,8 @@ reroute:
* type/code is based on suggestion by Rich Draves.
* not sure if it is the best pick.
*/
- icmp6_error(mcopy, ICMP6_DST_UNREACH,
+ if (mcopy)
+ icmp6_error(mcopy, ICMP6_DST_UNREACH,
ICMP6_DST_UNREACH_ADDR, 0);
m_freem(m);
goto freert;