diff -urN RC13-git5-mac8390/drivers/net/atarilance.c RC13-git5-lance/drivers/net/atarilance.c
--- RC13-git5-mac8390/drivers/net/atarilance.c	2005-06-17 15:48:29.000000000 -0400
+++ RC13-git5-lance/drivers/net/atarilance.c	2005-09-05 16:40:31.000000000 -0400
@@ -235,7 +235,7 @@
 #define	MEM		lp->mem
 #define	DREG	IO->data
 #define	AREG	IO->addr
-#define	REGA(a)	( AREG = (a), DREG )
+#define	REGA(a)	(*( AREG = (a), &DREG ))
 
 /* Definitions for packet buffer access: */
 #define PKT_BUF_SZ		1544
diff -urN RC13-git5-mac8390/drivers/net/sun3lance.c RC13-git5-lance/drivers/net/sun3lance.c
--- RC13-git5-mac8390/drivers/net/sun3lance.c	2005-06-17 15:48:29.000000000 -0400
+++ RC13-git5-lance/drivers/net/sun3lance.c	2005-09-05 16:40:31.000000000 -0400
@@ -162,7 +162,7 @@
 #define	MEM	lp->mem
 #define	DREG	lp->iobase[0]
 #define	AREG	lp->iobase[1]
-#define	REGA(a)	( AREG = (a), DREG )
+#define	REGA(a)	(*( AREG = (a), &DREG ))
 
 /* Definitions for the Lance */