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* re: lpfc: Modularize and cleanup FDMI code in driver
@ 2016-02-01 11:01 Dan Carpenter
  2016-02-11 15:07 ` Martin K. Petersen
  0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2016-02-01 11:01 UTC (permalink / raw)
  To: james.smart; +Cc: linux-scsi

Hello James Smart,

The patch 4258e98ee386: "lpfc: Modularize and cleanup FDMI code in
driver" from Dec 16, 2015, leads to the following static checker
warning:

	drivers/scsi/lpfc/lpfc_ct.c:2547 lpfc_fdmi_cmd()
	error: __memcpy() '&rh->rpl.pe' too small (4 vs 8)

drivers/scsi/lpfc/lpfc_ct.c
  2534          /* Next fill in the specific FDMI cmd information */
  2535          switch (cmdcode) {
  2536          case SLI_MGMT_RHAT:
  2537          case SLI_MGMT_RHBA:
  2538                  rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un.PortID;
  2539                  /* HBA Identifier */
  2540                  memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
  2541                         sizeof(struct lpfc_name));
  2542  
  2543                  if (cmdcode == SLI_MGMT_RHBA) {
  2544                          /* Registered Port List */
  2545                          /* One entry (port) per adapter */
  2546                          rh->rpl.EntryCnt = cpu_to_be32(1);
  2547                          memcpy(&rh->rpl.pe, &phba->pport->fc_sparam.portName,
                                       ^^^^^^^^^^^
.pe is a u32.

  2548                                 sizeof(struct lpfc_name));
                                       ^^^^^^^^^^^^^^^^^^^^^^^^
lpfc_name is an 8 byte union.

  2549  

regards,
dan carpenter

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: lpfc: Modularize and cleanup FDMI code in driver
  2016-02-01 11:01 lpfc: Modularize and cleanup FDMI code in driver Dan Carpenter
@ 2016-02-11 15:07 ` Martin K. Petersen
  0 siblings, 0 replies; 2+ messages in thread
From: Martin K. Petersen @ 2016-02-11 15:07 UTC (permalink / raw)
  To: Dick Kennedy; +Cc: Dan Carpenter, james.smart, linux-scsi

>>>>> "Dan" == Dan Carpenter <dan.carpenter@oracle.com> writes:

Dick,

Please look into this...

---8<---

The patch 4258e98ee386: "lpfc: Modularize and cleanup FDMI code in
driver" from Dec 16, 2015, leads to the following static checker
warning:

	drivers/scsi/lpfc/lpfc_ct.c:2547 lpfc_fdmi_cmd()
	error: __memcpy() '&rh->rpl.pe' too small (4 vs 8)

drivers/scsi/lpfc/lpfc_ct.c
  2534          /* Next fill in the specific FDMI cmd information */
  2535          switch (cmdcode) {
  2536          case SLI_MGMT_RHAT:
  2537          case SLI_MGMT_RHBA:
  2538                  rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un.PortID;
  2539                  /* HBA Identifier */
  2540                  memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
  2541                         sizeof(struct lpfc_name));
  2542  
  2543                  if (cmdcode == SLI_MGMT_RHBA) {
  2544                          /* Registered Port List */
  2545                          /* One entry (port) per adapter */
  2546                          rh->rpl.EntryCnt = cpu_to_be32(1);
  2547                          memcpy(&rh->rpl.pe, &phba->pport->fc_sparam.portName,
                                       ^^^^^^^^^^^
.pe is a u32.

  2548                                 sizeof(struct lpfc_name));
                                       ^^^^^^^^^^^^^^^^^^^^^^^^
lpfc_name is an 8 byte union.

  2549  

regards,
dan carpenter

---8<---

-- 
Martin K. Petersen	Oracle Linux Engineering

^ permalink raw reply	[flat|nested] 2+ messages in thread

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