The sparc iounmap() implementation in arch/sparc/kernel/ioport.c looks it prints an error message if you pass a NULL pointer.
regards, dan carpenter -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
