xnu-3248.50.21.tar.gz

[apple/xnu.git] / bsd / netinet / igmp.c

diff --git a/bsd/netinet/igmp.c b/bsd/netinet/igmp.c
index 572a083ec211a0a928b058fa094bf3111f7a054f..2b185927052173de79e5018e0952fc5d76b56cbf 100644 (file)
--- a/bsd/netinet/igmp.c
+++ b/bsd/netinet/igmp.c
@@ -3902,7 +3902,7 @@ igmp_v3_encap_report(struct ifnet *ifp, struct mbuf *m)
        if (m->m_flags & M_IGMPV3_HDR) {
                igmpreclen -= hdrlen;
        } else {
-               M_PREPEND(m, hdrlen, M_DONTWAIT);
+               M_PREPEND(m, hdrlen, M_DONTWAIT, 1);
                if (m == NULL)
                        return (NULL);
                m->m_flags |= M_IGMPV3_HDR;