USB: serial: fix generic chars_in_buffer

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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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Johan Hovold 2010-03-17 23:00:42 +01:00 • committed by Greg Kroah-Hartman

parent 7919c2fd9e

commit 30af7fb5a4

1 changed files with 11 additions and 4 deletions

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drivers/usb/serial/generic.c

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