Always queue looped back packets (rather than potentially using

direct dispatch) to avoid extensive kernel stack usage and to
avoid directly re-entering the network stack.  The latter causes
locking problems when, for example, a complete TCP handshake`
happens w/o a context switch.

1 files changed, 1 insertions, 1 deletions

diff --git a/sys/net/if_loop.c b/sys/net/if_loop.c
index 21b87e5..b0ec6ea 100644
--- a/sys/net/if_loop.c
+++ b/sys/net/if_loop.c
@@ -345,7 +345,7 @@ if_simloop(ifp, m, af, hlen)
 	}
 	ifp->if_ipackets++;
 	ifp->if_ibytes += m->m_pkthdr.len;
-	netisr_dispatch(isr, m);
+	netisr_queue(isr, m);
 	return (0);
 }