Input: make i8042_platform_init return 'real' error code

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/serio/i8042-ip22io.h b/drivers/input/serio/i8042-ip22io.h
index 863b9c9..ee1ad27 100644
--- a/drivers/input/serio/i8042-ip22io.h
+++ b/drivers/input/serio/i8042-ip22io.h
@@ -58,7 +58,7 @@
 #if 0
 	/* XXX sgi_kh is a virtual address */
 	if (!request_mem_region(sgi_kh, sizeof(struct hpc_keyb), "i8042"))
-		return 1;
+		return -EBUSY;
 #endif
 
 	i8042_reset = 1;