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NTB: ntb_process_tx error path bug

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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 <[email protected]>
Signed-off-by: Jon Mason <[email protected]>
This commit is contained in:
Jon Mason 2015-12-18 13:22:37 -05:00
commit 179f912a39
1 changed files with 1 additions and 1 deletions
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2
drivers/ntb/ntb_transport.c
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@ -1532,7 +1532,7 @@ static int ntb_process_tx(struct ntb_transport_qp *qp,
if (entry->len > qp->tx_max_frame - sizeof(struct ntb_payload_header)) {
if (qp->tx_handler)
qp->tx_handler(qp->cb_data, qp, NULL, -EIO);
qp->tx_handler(qp, qp->cb_data, NULL, -EIO);
ntb_list_add(&qp->ntb_tx_free_q_lock, &entry->entry,
&qp->tx_free_q);