scsi: lpfc: Remove set-but-not-used variables

This patch does not change any functionality but avoids that the compiler
complains about set-but-not-used variables when building with W=1.

Cc: James Smart <james.smart@broadcom.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/lpfc/lpfc_els.c

@@ -1961,7 +1961,7 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	IOCB_t *irsp;
 	struct lpfc_nodelist *ndlp;
 	struct lpfc_dmabuf *prsp;
-	int disc, rc;
+	int disc;
 
 	/* we pass cmdiocb to state machine which needs rspiocb as well */
 	cmdiocb->context_un.rsp_iocb = rspiocb;
@@ -1990,7 +1990,6 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC);
 	ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
 	spin_unlock_irq(shost->host_lock);
-	rc = 0;
 
 	/* PLOGI completes to NPort <nlp_DID> */
 	lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
@@ -2029,18 +2028,16 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 				 ndlp->nlp_DID, irsp->ulpStatus,
 				 irsp->un.ulpWord[4]);
 		/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
-		if (lpfc_error_lost_link(irsp))
-			rc = NLP_STE_FREED_NODE;
-		else
-			rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb,
-						     NLP_EVT_CMPL_PLOGI);
+		if (!lpfc_error_lost_link(irsp))
+			lpfc_disc_state_machine(vport, ndlp, cmdiocb,
+						NLP_EVT_CMPL_PLOGI);
 	} else {
 		/* Good status, call state machine */
 		prsp = list_entry(((struct lpfc_dmabuf *)
 				   cmdiocb->context2)->list.next,
 				  struct lpfc_dmabuf, list);
 		ndlp = lpfc_plogi_confirm_nport(phba, prsp->virt, ndlp);
-		rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb,
+		lpfc_disc_state_machine(vport, ndlp, cmdiocb,
 					     NLP_EVT_CMPL_PLOGI);
 	}
 
@@ -6744,12 +6741,11 @@ lpfc_els_rcv_rnid(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 	uint32_t *lp;
 	RNID *rn;
 	struct ls_rjt stat;
-	uint32_t cmd;
 
 	pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
 	lp = (uint32_t *) pcmd->virt;
 
-	cmd = *lp++;
+	lp++;
 	rn = (RNID *) lp;
 
 	/* RNID received */
@@ -7508,14 +7504,14 @@ lpfc_els_rcv_farp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 	uint32_t *lp;
 	IOCB_t *icmd;
 	FARP *fp;
-	uint32_t cmd, cnt, did;
+	uint32_t cnt, did;
 
 	icmd = &cmdiocb->iocb;
 	did = icmd->un.elsreq64.remoteID;
 	pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
 	lp = (uint32_t *) pcmd->virt;
 
-	cmd = *lp++;
+	lp++;
 	fp = (FARP *) lp;
 	/* FARP-REQ received from DID <did> */
 	lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
@@ -7580,14 +7576,14 @@ lpfc_els_rcv_farpr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 	struct lpfc_dmabuf *pcmd;
 	uint32_t *lp;
 	IOCB_t *icmd;
-	uint32_t cmd, did;
+	uint32_t did;
 
 	icmd = &cmdiocb->iocb;
 	did = icmd->un.elsreq64.remoteID;
 	pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
 	lp = (uint32_t *) pcmd->virt;
 
-	cmd = *lp++;
+	lp++;
 	/* FARP-RSP received from DID <did> */
 	lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 			 "0600 FARP-RSP received from DID x%x\n", did);

drivers/scsi/lpfc/lpfc_nportdisc.c

@@ -1733,7 +1733,6 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport,
 	LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg;
 	MAILBOX_t *mb = &pmb->u.mb;
 	uint32_t did  = mb->un.varWords[1];
-	int rc = 0;
 
 	if (mb->mbxStatus) {
 		/* RegLogin failed */
@@ -1806,8 +1805,8 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport,
 			 * GFT_ID to determine if remote port supports NVME.
 			 */
 			if (vport->cfg_enable_fc4_type != LPFC_ENABLE_FCP) {
-				rc = lpfc_ns_cmd(vport, SLI_CTNS_GFT_ID,
-						 0, ndlp->nlp_DID);
+				lpfc_ns_cmd(vport, SLI_CTNS_GFT_ID, 0,
+					    ndlp->nlp_DID);
 				return ndlp->nlp_state;
 			}
 			ndlp->nlp_fc4_type = NLP_FC4_FCP;

drivers/scsi/lpfc/lpfc_nvmet.c

@@ -325,7 +325,6 @@ lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf)
 	struct fc_frame_header *fc_hdr;
 	struct rqb_dmabuf *nvmebuf;
 	struct lpfc_nvmet_ctx_info *infop;
-	uint32_t *payload;
 	uint32_t size, oxid, sid;
 	int cpu;
 	unsigned long iflag;
@@ -370,7 +369,6 @@ lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf)
 		fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt);
 		oxid = be16_to_cpu(fc_hdr->fh_ox_id);
 		tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
-		payload = (uint32_t *)(nvmebuf->dbuf.virt);
 		size = nvmebuf->bytes_recv;
 		sid = sli4_sid_from_fc_hdr(fc_hdr);
 
@@ -2023,7 +2021,6 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba,
 	struct fc_frame_header *fc_hdr;
 	struct lpfc_nvmet_ctxbuf *ctx_buf;
 	struct lpfc_nvmet_ctx_info *current_infop;
-	uint32_t *payload;
 	uint32_t size, oxid, sid, qno;
 	unsigned long iflag;
 	int current_cpu;
@@ -2101,7 +2098,6 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba,
 		return;
 	}
 
-	payload = (uint32_t *)(nvmebuf->dbuf.virt);
 	sid = sli4_sid_from_fc_hdr(fc_hdr);
 
 	ctxp = (struct lpfc_nvmet_rcv_ctx *)ctx_buf->context;
@@ -2717,12 +2713,11 @@ lpfc_nvmet_sol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
 {
 	struct lpfc_nvmet_rcv_ctx *ctxp;
 	struct lpfc_nvmet_tgtport *tgtp;
-	uint32_t status, result;
+	uint32_t result;
 	unsigned long flags;
 	bool released = false;
 
 	ctxp = cmdwqe->context2;
-	status = bf_get(lpfc_wcqe_c_status, wcqe);
 	result = wcqe->parameter;
 
 	tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
@@ -2788,11 +2783,10 @@ lpfc_nvmet_unsol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
 	struct lpfc_nvmet_rcv_ctx *ctxp;
 	struct lpfc_nvmet_tgtport *tgtp;
 	unsigned long flags;
-	uint32_t status, result;
+	uint32_t result;
 	bool released = false;
 
 	ctxp = cmdwqe->context2;
-	status = bf_get(lpfc_wcqe_c_status, wcqe);
 	result = wcqe->parameter;
 
 	if (!ctxp) {
@@ -2869,10 +2863,9 @@ lpfc_nvmet_xmt_ls_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
 {
 	struct lpfc_nvmet_rcv_ctx *ctxp;
 	struct lpfc_nvmet_tgtport *tgtp;
-	uint32_t status, result;
+	uint32_t result;
 
 	ctxp = cmdwqe->context2;
-	status = bf_get(lpfc_wcqe_c_status, wcqe);
 	result = wcqe->parameter;
 
 	tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
@@ -3227,7 +3220,6 @@ lpfc_nvmet_unsol_ls_issue_abort(struct lpfc_hba *phba,
 {
 	struct lpfc_nvmet_tgtport *tgtp;
 	struct lpfc_iocbq *abts_wqeq;
-	union lpfc_wqe128 *wqe_abts;
 	unsigned long flags;
 	int rc;
 
@@ -3257,7 +3249,6 @@ lpfc_nvmet_unsol_ls_issue_abort(struct lpfc_hba *phba,
 		}
 	}
 	abts_wqeq = ctxp->wqeq;
-	wqe_abts = &abts_wqeq->wqe;
 
 	if (lpfc_nvmet_unsol_issue_abort(phba, ctxp, sid, xri) == 0) {
 		rc = WQE_BUSY;