diff options
| -rw-r--r-- | slirp/if.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/slirp/if.c b/slirp/if.c index 6262d77495..590753c658 100644 --- a/slirp/if.c +++ b/slirp/if.c @@ -73,14 +73,16 @@ if_output(struct socket *so, struct mbuf *ifm) * We mustn't put this packet back on the fastq (or we'll send it out of order) * XXX add cache here? */ - for (ifq = (struct mbuf *) slirp->if_batchq.qh_rlink; - (struct quehead *) ifq != &slirp->if_batchq; - ifq = ifq->ifq_prev) { - if (so == ifq->ifq_so) { - /* A match! */ - ifm->ifq_so = so; - ifs_insque(ifm, ifq->ifs_prev); - goto diddit; + if (so) { + for (ifq = (struct mbuf *) slirp->if_batchq.qh_rlink; + (struct quehead *) ifq != &slirp->if_batchq; + ifq = ifq->ifq_prev) { + if (so == ifq->ifq_so) { + /* A match! */ + ifm->ifq_so = so; + ifs_insque(ifm, ifq->ifs_prev); + goto diddit; + } } } |