lpfc: Fix RDP ACC being too long.

Fix RDP ACC being too long.

Signed-off-by: Dick Kennedy <dick.kennedy@avagotech.com>
Signed-off-by: James Smart <james.smart@avagotech.com>
Reviewed-by: Hannes Reinicke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index f7a29676dc75..817cdfcd51a8 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -4824,6 +4824,7 @@ lpfc_els_rdp_cmpl(struct lpfc_hba *phba, struct lpfc_rdp_context *rdp_context,
         struct lpfc_nodelist *ndlp = rdp_context->ndlp;
         struct lpfc_vport *vport = ndlp->vport;
         struct lpfc_iocbq *elsiocb;
+        struct ulp_bde64 *bpl;
         IOCB_t *icmd;
         uint8_t *pcmd;
         struct ls_rjt *stat;
@@ -4833,6 +4834,8 @@ lpfc_els_rdp_cmpl(struct lpfc_hba *phba, struct lpfc_rdp_context *rdp_context,
 
         if (status != SUCCESS)
                 goto error;
+
+        /* This will change once we know the true size of the RDP payload */
         cmdsize = sizeof(struct fc_rdp_res_frame);
 
         elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize,
@@ -4874,6 +4877,13 @@ lpfc_els_rdp_cmpl(struct lpfc_hba *phba, struct lpfc_rdp_context *rdp_context,
         rdp_res->length = cpu_to_be32(fec_size + RDP_DESC_PAYLOAD_SIZE);
         elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
 
+        /* Now that we know the true size of the payload, update the BPL */
+        bpl = (struct ulp_bde64 *)
+                (((struct lpfc_dmabuf *)(elsiocb->context3))->virt);
+        bpl->tus.f.bdeSize = (fec_size + RDP_DESC_PAYLOAD_SIZE + 8);
+        bpl->tus.f.bdeFlags = 0;
+        bpl->tus.w = le32_to_cpu(bpl->tus.w);
+
         phba->fc_stat.elsXmitACC++;
         rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0);
         if (rc == IOCB_ERROR)