IB/mlx4: Fix error flow when sending mads under SRIOV

Fix mad send error flow to prevent double freeing address handles,
and leaking tx_ring entries when SRIOV is active.

If ib_mad_post_send fails, the address handle pointer in the tx_ring entry
must be set to NULL (or there will be a double-free) and tx_tail must be
incremented (or there will be a leak of tx_ring entries).
The tx_ring is handled the same way in the send-completion handler.

Fixes: 37bfc7c1e83f ("IB/mlx4: SR-IOV multiplex and demultiplex MADs")
Signed-off-by: Yishai Hadas <[email protected]>
Reviewed-by: Jack Morgenstein <[email protected]>
Signed-off-by: Leon Romanovsky <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>

0 files changed, 0 insertions, 0 deletions