IB/ipoib: Fix for notify send CQ failure messages
If IB_CQ_REPORT_MISSED_EVENTS flag is passed in ib_req_notify_cq() it may return positive value indicating non-empty CQ. If return code not verified the log might be flooded with false warning messages "request notify on send CQ failed". Fixes: 8966e28d ("IB/ipoib: Use NAPI in UD/TX flows") Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Alex Estrin <alex.estrin@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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