scsi: lpfc: Resolve inconsistent check of hdwq in lpfc_scsi_cmd_iocb_cmpl

A prior patch which added support for non-uniform allocation of MSIX
vectors now causes a smatch complaint:

 drivers/scsi/lpfc/lpfc_scsi.c:3674 lpfc_scsi_cmd_iocb_cmpl()
   error: we previously assumed 'phba->sli4_hba.hdwq' could be
          null (see line 3667)

Resolve by removing the unnecessary check for a NULL hdwq table.

Fixes 6a828b0f6192: ("scsi: lpfc: Support non-uniform allocation of MSIX vectors to hardware queues")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index c98f264f1d83a030ea8a00678fd586ab70059218..f787d6894dafb3ead590f74a43a08253c4cca39d 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -3670,7 +3670,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
        if (phba->cpucheck_on & LPFC_CHECK_SCSI_IO) {
                cpu = smp_processor_id();
-               if (cpu < LPFC_CHECK_CPU_CNT)
+               if (cpu < LPFC_CHECK_CPU_CNT && phba->sli4_hba.hdwq)
                        phba->sli4_hba.hdwq[idx].cpucheck_cmpl_io[cpu]++;
        }
 #endif