From: Julian Wiedmann
[ Upstream commit a702349a4099cd5a7bab0904689d8e0bf8dcd622 ]
By updating q->used_buffers only _after_ do_QDIO() has completed, there
is a potential race against the buffer's TX completion. In the unlikely
case that the TX completion path wins, qeth_qdio_output_handler()
From: Julian Wiedmann
[ Upstream commit a702349a4099cd5a7bab0904689d8e0bf8dcd622 ]
By updating q->used_buffers only _after_ do_QDIO() has completed, there
is a potential race against the buffer's TX completion. In the unlikely
case that the TX completion path wins, qeth_qdio_output_handler()
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