GCC complains in these queue index operations because we
perform operations of the form:
	x = some_operation(++x);
which is undefined.  Replace with:
	x = some_operation(x + 1);
which is well defined and provides the intended operation.
Signed-off-by: David S. Miller <davem@davemloft.net>
 next_rbrq_entry:
                he_dev->rbrq_head = (struct he_rbrq *)
                                ((unsigned long) he_dev->rbrq_base |
-                                       RBRQ_MASK(++he_dev->rbrq_head));
+                                       RBRQ_MASK(he_dev->rbrq_head + 1));
 
        }
        read_unlock(&vcc_sklist_lock);
                        pci_pool_free(he_dev->tpd_pool, tpd, TPD_ADDR(tpd->status));
                he_dev->tbrq_head = (struct he_tbrq *)
                                ((unsigned long) he_dev->tbrq_base |
-                                       TBRQ_MASK(++he_dev->tbrq_head));
+                                       TBRQ_MASK(he_dev->tbrq_head + 1));
        }
 
        if (updated) {