Staging: rtl8192e: off by one in rtl8192_get_channel_map()

COUNTRY_CODE_MAX is not a valid country code.  We're off by one here.
This gets passed to Dot11d_Channelmap() where it's used as an offset
into the ChannelPlan[] array.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/rtl8192e/rtl_core.c

@@ -1283,7 +1283,7 @@ static short rtl8192_get_channel_map(struct net_device *dev)
 		return -1;
 	}
 
-	if (priv->ChannelPlan > COUNTRY_CODE_MAX) {
+	if (priv->ChannelPlan >= COUNTRY_CODE_MAX) {
 		printk(KERN_INFO "rtl819x_init:Error channel plan! Set to "
 		       "default.\n");
 		priv->ChannelPlan = COUNTRY_CODE_FCC;