[PATCH] lvalues abuse in lance

result of comma operator is not an lvalue
Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

drivers/net/atarilance.c

@@ -235,7 +235,7 @@ struct lance_private {
 #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

drivers/net/sun3lance.c

@@ -162,7 +162,7 @@ struct lance_private {
 #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 */