From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: [PATCH AUTOSEL 4.9 10/17] scsi: lpfc: add check for loss of ndlp when sending RRQ Date: Tue, 4 Jun 2019 19:24:51 -0400 Message-ID: <20190604232459.7745-10-sashal@kernel.org> References: <20190604232459.7745-1-sashal@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190604232459.7745-1-sashal@kernel.org> Sender: stable-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: James Smart , Dick Kennedy , Bart Van Assche , "Martin K . Petersen" , Sasha Levin , linux-scsi@vger.kernel.org List-Id: linux-scsi@vger.kernel.org From: James Smart [ 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 Signed-off-by: James Smart Tested-by: Bart Van Assche Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/lpfc/lpfc_els.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 4905455bbfc7..b5be4df05733 100644 --- 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); -- 2.20.1