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USB: serial: fix generic chars_in_buffer
authorJohan Hovold <jhovold@gmail.com>
Wed, 17 Mar 2010 22:00:42 +0000 (23:00 +0100)
committerGreg Kroah-Hartman <gregkh@suse.de>
Thu, 20 May 2010 20:21:33 +0000 (13:21 -0700)
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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