USB: serial: usb_wwan: fix TIOCSSERIAL jiffies conversions
The port close_delay and closing_wait parameters set by TIOCSSERIAL are
specified in jiffies and not milliseconds.
Add the missing conversions so that the TIOCSSERIAL works as expected
also when HZ is not 1000.
Fixes:
02303f73373a ("usb-wwan: implement TIOCGSERIAL and TIOCSSERIAL to avoid blocking close(2)")
Cc: stable@vger.kernel.org # 2.6.38
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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