if_bnx.c bnx_rx_intr diff

[David Hill]

I think this should be POSTREAD in bnx_rx_intr.  This matches
FreeBSD.

Index: if_bnx.c
===================================================================
RCS file: /cvs/src/sys/dev/pci/if_bnx.c,v
retrieving revision 1.100
diff -N -u -p if_bnx.c
--- if_bnx.c    13 Jan 2013 05:45:10 -0000      1.100
+++ if_bnx.c    21 Jan 2013 23:46:38 -0000
@@ -4323,7 +4323,7 @@ bnx_rx_intr(struct bnx_softc *sc)
                bus_dmamap_sync(sc->bnx_dmatag,
                    sc->rx_bd_chain_map[i], 0,
                    sc->rx_bd_chain_map[i]->dm_mapsize,
-                   BUS_DMASYNC_POSTWRITE);
+                   BUS_DMASYNC_POSTREAD);
 
        /* Get the hardware's view of the RX consumer index. */
        hw_cons = sc->hw_rx_cons = sblk->status_rx_quick_consumer_index0;