Author: kp
Date: Wed Oct 24 18:19:32 2018
New Revision: 339691
URL: https://svnweb.freebsd.org/changeset/base/339691
Log:
MFC r339547:
vlan: Fix panic with lagg and vlan
vlan_lladdr_fn() is called from taskqueue, which means there's no vnet context
set. We can end up trying to send ARP messages (through the iflladdr_event
event), which requires a vnet context.
PR: 227654
Modified:
stable/11/sys/net/if_vlan.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/sys/net/if_vlan.c
==============================================================================
--- stable/11/sys/net/if_vlan.c Wed Oct 24 17:32:31 2018 (r339690)
+++ stable/11/sys/net/if_vlan.c Wed Oct 24 18:19:32 2018 (r339691)
@@ -1318,8 +1318,13 @@ vlan_lladdr_fn(void *arg, int pending __unused)
ifv = (struct ifvlan *)arg;
ifp = ifv->ifv_ifp;
+
+ CURVNET_SET(ifp->if_vnet);
+
/* The ifv_ifp already has the lladdr copied in. */
if_setlladdr(ifp, IF_LLADDR(ifp), ifp->if_addrlen);
+
+ CURVNET_RESTORE();
}
static int
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