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由 Matthias Kaehlcke 提交于
PPP synchronous tty channel driver: convert the semaphore dead_sem to a completion Signed-off-by: NMatthias Kaehlcke <matthias.kaehlcke@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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