[PATCH] net: smc91x add missing bracket

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h
index d28adf2..9367c57 100644
--- a/drivers/net/smc91x.h
+++ b/drivers/net/smc91x.h
@@ -238,7 +238,7 @@
 #define SMC_CAN_USE_16BIT	1
 #define SMC_CAN_USE_32BIT	0
 
-#define SMC_inb(a, r)		inb((u32)a) + (r))
+#define SMC_inb(a, r)		inb(((u32)a) + (r))
 #define SMC_inw(a, r)		inw(((u32)a) + (r))
 #define SMC_outb(v, a, r)	outb(v, ((u32)a) + (r))
 #define SMC_outw(v, a, r)	outw(v, ((u32)a) + (r))