From fa799a4e7e95dfc014723c85f97e67eed89cb1e8 Mon Sep 17 00:00:00 2001
From: Pyun YongHyeon <yongari@FreeBSD.org>
Date: Thu, 20 Jul 2006 03:57:58 +0000
Subject: [PATCH] Honor IFF_DRV_OACTIVE in em_start_locked().

---
 sys/dev/em/if_em.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sys/dev/em/if_em.c b/sys/dev/em/if_em.c
index d17ea9b35792..a0d0dfbe95b1 100644
--- a/sys/dev/em/if_em.c
+++ b/sys/dev/em/if_em.c
@@ -692,6 +692,9 @@ em_start_locked(struct ifnet *ifp)
 
 	EM_LOCK_ASSERT(sc);
 
+	if ((ifp->if_drv_flags & (IFF_DRV_RUNNING|IFF_DRV_OACTIVE)) !=
+	    IFF_DRV_RUNNING)
+		return;
 	if (!sc->link_active)
 		return;