diff options
| author |   James Smart <james.smart@broadcom.com> | 2016-03-31 14:12:28 -0700 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2016-04-11 16:57:09 -0400 |
| commit | ae09c765109293b600ba9169aa3d632e1ac1a843 (patch) | |
| tree | bde528118a3edaaf62c5edb859f867a9364875e4 /drivers/scsi/lpfc/lpfc_mbox.c | |
| parent | lpfc: Correct LOGO handling during login (diff) | |
| download | linux-dev-ae09c765109293b600ba9169aa3d632e1ac1a843.tar.xz linux-dev-ae09c765109293b600ba9169aa3d632e1ac1a843.zip | |
lpfc: Fix DMA faults observed upon plugging loopback connector
Driver didn't program the REG_VFI mailbox correctly, giving the adapter
bad addresses.
Signed-off-by: Dick Kennedy <dick.kennedy@avagotech.com>
Signed-off-by: James Smart <james.smart@avagotech.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_mbox.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_mbox.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c index f87f90e9b7df..1e34b5408a29 100644 --- a/drivers/scsi/lpfc/lpfc_mbox.c +++ b/drivers/scsi/lpfc/lpfc_mbox.c @@ -2145,10 +2145,12 @@ lpfc_reg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport, dma_addr_t phys) reg_vfi->wwn[1] = cpu_to_le32(reg_vfi->wwn[1]); reg_vfi->e_d_tov = phba->fc_edtov; reg_vfi->r_a_tov = phba->fc_ratov; - reg_vfi->bde.addrHigh = putPaddrHigh(phys); - reg_vfi->bde.addrLow = putPaddrLow(phys); - reg_vfi->bde.tus.f.bdeSize = sizeof(vport->fc_sparam); - reg_vfi->bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; + if (phys) { + reg_vfi->bde.addrHigh = putPaddrHigh(phys); + reg_vfi->bde.addrLow = putPaddrLow(phys); + reg_vfi->bde.tus.f.bdeSize = sizeof(vport->fc_sparam); + reg_vfi->bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; + } bf_set(lpfc_reg_vfi_nport_id, reg_vfi, vport->fc_myDID); /* Only FC supports upd bit */ |