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-rw-r--r--sys/dev/ex/if_ex.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/dev/ex/if_ex.c b/sys/dev/ex/if_ex.c
index 8c7916a05acc..0ddd2c1fe407 100644
--- a/sys/dev/ex/if_ex.c
+++ b/sys/dev/ex/if_ex.c
@@ -223,7 +223,8 @@ ex_attach(device_t dev)
ifp->if_softc = sc;
if_initname(ifp, device_get_name(dev), device_get_unit(dev));
ifp->if_mtu = ETHERMTU;
- ifp->if_flags = IFF_SIMPLEX | IFF_BROADCAST | IFF_MULTICAST;
+ ifp->if_flags = IFF_SIMPLEX | IFF_BROADCAST | IFF_MULTICAST |
+ IFF_NEEDSGIANT;
ifp->if_start = ex_start;
ifp->if_ioctl = ex_ioctl;
ifp->if_watchdog = ex_watchdog;