scsi: lpfc: add check for loss of ndlp when sending RRQ

[ Upstream commit c8cb261a072c88ca1aff0e804a30db4c7606521b ]

There was a missing qualification of a valid ndlp structure when calling to
send an RRQ for an abort.  Add the check.

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Tested-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 4905455bbfc7515f5705a42d4a071d3aa686fe3e..b5be4df05733fcc9d549f9af707fbb7a23564473 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -6789,7 +6789,10 @@ int
 lpfc_send_rrq(struct lpfc_hba *phba, struct lpfc_node_rrq *rrq)
 {
        struct lpfc_nodelist *ndlp = lpfc_findnode_did(rrq->vport,
-                                                       rrq->nlp_DID);
+                                                      rrq->nlp_DID);
+       if (!ndlp)
+               return 1;
+
        if (lpfc_test_rrq_active(phba, ndlp, rrq->xritag))
                return lpfc_issue_els_rrq(rrq->vport, ndlp,
                                         rrq->nlp_DID, rrq);