On Fri, 14 Sep 2012 01:30:06 +0400 Alexey Khoroshilov <khoroshi...@ispras.ru> wrote:
> tty_port_tty_get() can return NULL after port hangup that may happen anytime. > The patch adds checks that tty_port_tty_get() returns nonNULL around places > where tty is actually used. I don't believe you can simply skip the processing in this case howevver on the rx side. You are no longer reading the state, draining the FIFO etc. Have you tested this on actual hardware and faked the tty = NULL case ? The tx one looks better. Alan -- 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/
