IB/hfi1: Check for QSFP presence before attempting reads
Attempting to read the status of a QSFP cable creates noise in the logs and misses out on setting an appropriate Offline/Disabled Reason if the cable is not plugged in. Check for this prior to attempting the read and attendant retries. Fixes: 673b975f ("IB/hfi1: Add QSFP sanity pre-check") Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Easwar Hariharan <easwar.hariharan@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
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