提交 039055b9 编写于 作者: U Ursula Braun 提交者: David S. Miller

qeth: add wake_up on write channel

To send commands on the write channel 8 buffers exist. If all
8 buffers are used, a wait is triggered on the write channel. When
such buffer are freed, a wake_up is needed. This patch adds the
missing wake_up in qeth_release_buffer().
This fix is especially important when running Communications
Controller for Linux on System z.
Signed-off-by: NUrsula Braun <ursula.braun@de.ibm.com>
Signed-off-by: NFrank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 c3ab96f3
......@@ -678,6 +678,7 @@ void qeth_release_buffer(struct qeth_channel *channel,
iob->callback = qeth_send_control_data_cb;
iob->rc = 0;
spin_unlock_irqrestore(&channel->iob_lock, flags);
wake_up(&channel->wait_q);
}
EXPORT_SYMBOL_GPL(qeth_release_buffer);
......
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