input: Bail out in atkbd.c if scancode set is changed, don't

       reinitialize scancode map. This is even more anoying than
       a new keyboard device in the unlikely case of set change.

drivers/input/keyboard/atkbd.c

@@ -741,7 +741,6 @@ static int atkbd_reconnect(struct serio *serio)
 {
 	struct atkbd *atkbd = serio->private;
 	struct serio_dev *dev = serio->dev;
-	int i;
 
 	if (!dev) {
 		printk(KERN_DEBUG "atkbd: reconnect request, but serio is disconnected, ignoring...\n");
@@ -751,36 +750,11 @@ static int atkbd_reconnect(struct serio *serio)
 	if (atkbd->write) {
 		if (atkbd_probe(atkbd))
 			return -1;
-
-		atkbd->set = atkbd_set_3(atkbd);
+		if (atkbd->set != atkbd_set_3(atkbd))
+			return -1;
 		atkbd_enable(atkbd);
-	} else {
-		atkbd->set = 2;
-		atkbd->id = 0xab00;
-	}
-
-	/*
-	 * Here we probably should check if the keyboard has the same set that
-         * it had before and bail out if it's different. But this will most likely
-         * cause new keyboard device be created... and for the user it will look
-         * like keyboard is lost
-	 */
-
-	if (atkbd->translated) {
-		for (i = 0; i < 128; i++) {
-			atkbd->keycode[i] = atkbd_set2_keycode[atkbd_unxlate_table[i]];
-			atkbd->keycode[i | 0x80] = atkbd_set2_keycode[atkbd_unxlate_table[i] | 0x80];
-		}
-	} else if (atkbd->set == 2) {
-		memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode));
-	} else {
-		memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode));
 	}
 
-	for (i = 0; i < 512; i++)
-		if (atkbd->keycode[i] && atkbd->keycode[i] < 255)
-			set_bit(atkbd->keycode[i], atkbd->dev.keybit);
-
 	return 0;
 }