From: Johan Hovold <jhovold@gmail.com>
Date: Wed, 17 Mar 2010 22:00:42 +0000 (+0100)
Subject: USB: serial: fix generic chars_in_buffer
X-Git-Tag: v2.6.35-rc1~471^2~195
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=30af7fb5a40f8724c130428473edffa73170e04c;p=pandora-kernel.git

USB: serial: fix generic chars_in_buffer

Make sure chars_in_buffer accounts also for data in host stack queues.

This fixes the problem with tty_wait_until_sent returning too soon at
close which could cause the final write urb to be cancelled.

Reported-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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