--- src/sys/dev/netif/iwi/if_iwireg.h	2006/05/18 13:51:45	1.2
+++ src/sys/dev/netif/iwi/if_iwireg.h	2006/12/23 09:44:26	1.3
@@ -298,7 +298,9 @@ struct iwi_rateset {
 #define IWI_RATESET_TYPE_SUPPORTED	1
 
 	uint8_t	reserved;
-	uint8_t	rates[12];
+
+#define IWI_RATESET_MAXSIZE	12
+	uint8_t	rates[IWI_RATESET_MAXSIZE];
 } __packed;
 
 /* structure for command IWI_CMD_SET_TX_POWER */