Hi,
In the case that a mue(4) device is put in promiscuous mode then hashtbl will
be used uninitialized a little bit down the road so set it 0 like it's done in
a lot of other devices. Coverity ID 1473316.
OK?
Index: if_mue.c
===================================================================
RCS file: /cvs/src/sys/dev/usb/if_mue.c,v
retrieving revision 1.4
diff -u -p -u -r1.4 if_mue.c
--- if_mue.c 15 Aug 2018 07:13:51 -0000 1.4
+++ if_mue.c 18 Sep 2018 06:47:54 -0000
@@ -1016,6 +1016,7 @@ mue_iff(struct mue_softc *sc)
rxfilt = mue_csr_read(sc, reg);
rxfilt &= ~(MUE_RFE_CTL_PERFECT | MUE_RFE_CTL_MULTICAST_HASH |
MUE_RFE_CTL_UNICAST | MUE_RFE_CTL_MULTICAST);
+ memset(hashtbl, 0x00, sizeof(hashtbl));
ifp->if_flags &= ~IFF_ALLMULTI;
/* Always accept broadcast frames. */
