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-rw-r--r--sys/pci/if_dc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/pci/if_dc.c b/sys/pci/if_dc.c
index 4476f2e..262e947 100644
--- a/sys/pci/if_dc.c
+++ b/sys/pci/if_dc.c
@@ -2191,7 +2191,8 @@ dc_attach(device_t dev)
if_initname(ifp, device_get_name(dev), device_get_unit(dev));
/* XXX: bleah, MTU gets overwritten in ether_ifattach() */
ifp->if_mtu = ETHERMTU;
- ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
+ ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST |
+ IFF_NEEDSGIANT;
ifp->if_ioctl = dc_ioctl;
ifp->if_start = dc_start;
ifp->if_watchdog = dc_watchdog;
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