input/atari: Fix atarimouse init

Atarimouse fails to load as a module (with ENODEV), due to a brown paper
bag bug, misinterpreting the semantics of atari_keyb_init().

[geert] Propagate the return value of atari_keyb_init() everywhere
Signed-off-by: Michael Schmitz <schmitz@debian.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>

drivers/input/keyboard/atakbd.c

@@ -223,8 +223,9 @@ static int __init atakbd_init(void)
 		return -ENODEV;
 
 	// need to init core driver if not already done so
-	if (atari_keyb_init())
-		return -ENODEV;
+	error = atari_keyb_init();
+	if (error)
+		return error;
 
 	atakbd_dev = input_allocate_device();
 	if (!atakbd_dev)

drivers/input/mouse/atarimouse.c

@@ -118,8 +118,9 @@ static int __init atamouse_init(void)
 	if (!MACH_IS_ATARI || !ATARIHW_PRESENT(ST_MFP))
 		return -ENODEV;
 
-	if (!atari_keyb_init())
-		return -ENODEV;
+	error = atari_keyb_init();
+	if (error)
+		return error;
 
 	atamouse_dev = input_allocate_device();
 	if (!atamouse_dev)