Read events array offset must be calculated in bytes

diff --git a/sys/dev/pv/hyperv.c b/sys/dev/pv/hyperv.c
index b7970a0..1e59669 100644 (file)
--- a/sys/dev/pv/hyperv.c
+++ b/sys/dev/pv/hyperv.c
@@ -693,7 +693,8 @@ hv_vmbus_connect(struct hv_softc *sc)
        }
 
        sc->sc_wevents = (uint32_t *)sc->sc_events;
-       sc->sc_revents = (uint32_t *)sc->sc_events + (PAGE_SIZE >> 1);
+       sc->sc_revents = (uint32_t *)((caddr_t)sc->sc_events +
+           (PAGE_SIZE >> 1));
 
        sc->sc_monitor[0] = km_alloc(PAGE_SIZE, &kv_any, &kp_zero, &kd_nowait);
        if (sc->sc_monitor == NULL) {