scsi: lpfc: Fix miss of register read failure check
Coverity flagged missing status check on register read that flags a poisoned data return value. Add checking of register read status. Link: https://lore.kernel.org/r/20190922035906.10977-4-jsmart2021@gmail.comSigned-off-by: NDick Kennedy <dick.kennedy@broadcom.com> Signed-off-by: NJames Smart <jsmart2021@gmail.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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