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NTB: ntb_process_tx error path bug
The transmit overrun avoidance error path in ntb_process_tx accidentally swapped the first two values being passed to the tx_handler client. This could result in crashes in the ntb_netdev (or other out-of-tree NTB clients). Reported-by: Alex Depoutovitch <alex@pernixdata.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
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@ -1532,7 +1532,7 @@ static int ntb_process_tx(struct ntb_transport_qp *qp,
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if (entry->len > qp->tx_max_frame - sizeof(struct ntb_payload_header)) {
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if (qp->tx_handler)
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qp->tx_handler(qp->cb_data, qp, NULL, -EIO);
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qp->tx_handler(qp, qp->cb_data, NULL, -EIO);
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ntb_list_add(&qp->ntb_tx_free_q_lock, &entry->entry,
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&qp->tx_free_q);
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