Check if interface was stopped before calling rx/tx interrupt routines.

Report & tests by mxb@alumni.chalmers.se, thanks!
OK deraadt, chris

diff --git a/sys/dev/pci/if_vmx.c b/sys/dev/pci/if_vmx.c
index 29738d5..0f1090b 100644 (file)
--- a/sys/dev/pci/if_vmx.c
+++ b/sys/dev/pci/if_vmx.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: if_vmx.c,v 1.28 2015/05/29 00:37:10 uebayasi Exp $    */
+/*     $OpenBSD: if_vmx.c,v 1.29 2015/06/04 17:10:33 mikeb Exp $       */
 
 /*
  * Copyright (c) 2013 Tsubai Masanari
@@ -590,17 +590,20 @@ int
 vmxnet3_intr(void *arg)
 {
        struct vmxnet3_softc *sc = arg;
+       struct ifnet *ifp = &sc->sc_arpcom.ac_if;
 
        if (READ_BAR1(sc, VMXNET3_BAR1_INTR) == 0)
                return 0;
        if (sc->sc_ds->event)
                vmxnet3_evintr(sc);
-       vmxnet3_rxintr(sc, &sc->sc_rxq[0]);
-       vmxnet3_txintr(sc, &sc->sc_txq[0]);
 #ifdef VMXNET3_STAT
        vmxstat.intr++;
 #endif
-       vmxnet3_enable_intr(sc, 0);
+       if (ifp->if_flags & IFF_RUNNING) {
+               vmxnet3_rxintr(sc, &sc->sc_rxq[0]);
+               vmxnet3_txintr(sc, &sc->sc_txq[0]);
+               vmxnet3_enable_intr(sc, 0);
+       }
        return 1;
 }