Input: make i8042_platform_init return 'real' error code

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/serio/i8042-jazzio.h b/drivers/input/serio/i8042-jazzio.h
index 5c20ab1..13fd710 100644
--- a/drivers/input/serio/i8042-jazzio.h
+++ b/drivers/input/serio/i8042-jazzio.h
@@ -53,7 +53,7 @@
 #if 0
 	/* XXX JAZZ_KEYBOARD_ADDRESS is a virtual address */
 	if (!request_mem_region(JAZZ_KEYBOARD_ADDRESS, 2, "i8042"))
-		return 1;
+		return -EBUSY;
 #endif
 
 	return 0;