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authordarrenr <darrenr@FreeBSD.org>2004-12-16 21:02:16 +0000
committerdarrenr <darrenr@FreeBSD.org>2004-12-16 21:02:16 +0000
commite928230a0ac761138b23b94e3117398b0f28d823 (patch)
tree5da3376ad5b65cbb3df9cecf25d285341ec1ab40 /sys/contrib
parent0ca0cdb376d390706a4ec5932fb9e6ab663d6dbc (diff)
downloadFreeBSD-src-e928230a0ac761138b23b94e3117398b0f28d823.zip
FreeBSD-src-e928230a0ac761138b23b94e3117398b0f28d823.tar.gz
Using just m_pullup to get all of the interesting bits in packet into one
buffer doesn't work for ipv6 packets, so use m_defrag() here instead as an easy drop-in replacement. PR: 70399
Diffstat (limited to 'sys/contrib')
-rw-r--r--sys/contrib/ipfilter/netinet/fil.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/contrib/ipfilter/netinet/fil.c b/sys/contrib/ipfilter/netinet/fil.c
index 495163b..e214fff 100644
--- a/sys/contrib/ipfilter/netinet/fil.c
+++ b/sys/contrib/ipfilter/netinet/fil.c
@@ -2433,7 +2433,12 @@ void *ipin;
ATOMIC_INCL(frstats[out].fr_pull[0]);
qf->qf_data = MTOD(m, char *) + ipoff;
# else
- m = m_pullup(m, len);
+# if (__FreeBSD_version >= 490000)
+ if ((len > MHLEN) && ((m->m_flags & M_PKTHDR) != 0))
+ m = m_defrag(m, M_DONTWAIT);
+ else
+# endif
+ m = m_pullup(m, len);
*fin->fin_mp = m;
if (m == NULL) {
ATOMIC_INCL(frstats[out].fr_pull[1]);
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