USB: sierra: fix characters being dropped at close

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Fix characters potentially being dropped at close due to missing
chars_in_buffer implementation.

Note that currently the write urbs are not even killed at close (will be
fixed separately), but this could still lead to dropped data since we
have lowered DTR/RTS.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Johan Hovold 2014-05-26 19:22:55 +02:00 • committed by Greg Kroah-Hartman

parent 80cc0fcbda

commit 93670599fc

1 changed files with 18 additions and 0 deletions

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drivers/usb/serial/sierra.c

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