Author: eri
Date: Fri Mar 4 20:37:38 2011
New Revision: 219275
URL: http://svn.freebsd.org/changeset/base/219275
Log:
Fix a panic that can happen when trying to destroy a lagg(4) with scheduler
set to none.
Approved by: thompsa(mentor)
MFC after: 1 week
Modified:
head/sys/net/if_lagg.c
Modified: head/sys/net/if_lagg.c
==============================================================================
--- head/sys/net/if_lagg.c Fri Mar 4 20:30:18 2011 (r219274)
+++ head/sys/net/if_lagg.c Fri Mar 4 20:37:38 2011 (r219275)
@@ -341,7 +341,8 @@ lagg_clone_destroy(struct ifnet *ifp)
while ((lp = SLIST_FIRST(&sc->sc_ports)) != NULL)
lagg_port_destroy(lp, 1);
/* Unhook the aggregation protocol */
- (*sc->sc_detach)(sc);
+ if (sc->sc_detach != NULL)
+ (*sc->sc_detach)(sc);
LAGG_WUNLOCK(sc);
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