qeth: buffer count imbalance
The used buffers counter is not incremented in case of an error so the counter can become negative. Increment the used buffers counter before checking for errors. Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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91d4576bfe
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a6a5ff2697
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@ -2840,6 +2840,7 @@ static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index,
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queue->card->perf_stats.outbound_do_qdio_time +=
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qeth_get_micros() -
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queue->card->perf_stats.outbound_do_qdio_start_time;
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atomic_add(count, &queue->used_buffers);
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if (rc) {
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queue->card->stats.tx_errors += count;
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/* ignore temporary SIGA errors without busy condition */
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@ -2853,7 +2854,6 @@ static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index,
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qeth_schedule_recovery(queue->card);
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return;
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}
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atomic_add(count, &queue->used_buffers);
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if (queue->card->options.performance_stats)
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queue->card->perf_stats.bufs_sent += count;
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}
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