Author: glebius
Date: Sun Oct 21 12:39:00 2018
New Revision: 339532
URL: https://svnweb.freebsd.org/changeset/base/339532
Log:
Fix exiting an epoch(9) we never entered. May happen only with MAC.
Modified:
head/sys/net/if_gif.c
head/sys/net/if_gre.c
head/sys/net/if_me.c
Modified: head/sys/net/if_gif.c
==============================================================================
--- head/sys/net/if_gif.c Sun Oct 21 10:46:00 2018 (r339531)
+++ head/sys/net/if_gif.c Sun Oct 21 12:39:00 2018 (r339532)
@@ -272,6 +272,7 @@ gif_transmit(struct ifnet *ifp, struct mbuf *m)
uint8_t proto, ecn;
int error;
+ GIF_RLOCK();
#ifdef MAC
error = mac_ifnet_check_transmit(ifp, m);
if (error) {
@@ -280,7 +281,6 @@ gif_transmit(struct ifnet *ifp, struct mbuf *m)
}
#endif
error = ENETDOWN;
- GIF_RLOCK();
sc = ifp->if_softc;
if ((ifp->if_flags & IFF_MONITOR) != 0 ||
(ifp->if_flags & IFF_UP) == 0 ||
Modified: head/sys/net/if_gre.c
==============================================================================
--- head/sys/net/if_gre.c Sun Oct 21 10:46:00 2018 (r339531)
+++ head/sys/net/if_gre.c Sun Oct 21 12:39:00 2018 (r339532)
@@ -550,6 +550,7 @@ gre_transmit(struct ifnet *ifp, struct mbuf *m)
uint16_t proto;
len = 0;
+ GRE_RLOCK();
#ifdef MAC
error = mac_ifnet_check_transmit(ifp, m);
if (error) {
@@ -558,7 +559,6 @@ gre_transmit(struct ifnet *ifp, struct mbuf *m)
}
#endif
error = ENETDOWN;
- GRE_RLOCK();
sc = ifp->if_softc;
if ((ifp->if_flags & IFF_MONITOR) != 0 ||
(ifp->if_flags & IFF_UP) == 0 ||
Modified: head/sys/net/if_me.c
==============================================================================
--- head/sys/net/if_me.c Sun Oct 21 10:46:00 2018 (r339531)
+++ head/sys/net/if_me.c Sun Oct 21 12:39:00 2018 (r339532)
@@ -479,13 +479,13 @@ me_transmit(struct ifnet *ifp, struct mbuf *m)
uint32_t af;
int error, hlen, plen;
+ ME_RLOCK();
#ifdef MAC
error = mac_ifnet_check_transmit(ifp, m);
if (error != 0)
goto drop;
#endif
error = ENETDOWN;
- ME_RLOCK();
sc = ifp->if_softc;
if (sc == NULL || !ME_READY(sc) ||
(ifp->if_flags & IFF_MONITOR) != 0 ||
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