Author: ae
Date: Sun Oct 21 18:30:27 2018
New Revision: 339555
URL: https://svnweb.freebsd.org/changeset/base/339555

Log:
  Follow the fix in r339532 (by glebius):
    Fix exiting an epoch(9) we never entered. May happen only with MAC.
  
  MFC after:    1 month

Modified:
  head/sys/net/if_ipsec.c

Modified: head/sys/net/if_ipsec.c
==============================================================================
--- head/sys/net/if_ipsec.c     Sun Oct 21 18:24:20 2018        (r339554)
+++ head/sys/net/if_ipsec.c     Sun Oct 21 18:30:27 2018        (r339555)
@@ -323,6 +323,7 @@ ipsec_transmit(struct ifnet *ifp, struct mbuf *m)
        uint32_t af;
        int error;
 
+       IPSEC_RLOCK();
 #ifdef MAC
        error = mac_ifnet_check_transmit(ifp, m);
        if (error) {
@@ -331,7 +332,6 @@ ipsec_transmit(struct ifnet *ifp, struct mbuf *m)
        }
 #endif
        error = ENETDOWN;
-       IPSEC_RLOCK();
        sc = ifp->if_softc;
        if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 ||
            (ifp->if_flags & IFF_MONITOR) != 0 ||
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