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path: root/drivers/scsi/lpfc/lpfc_bsg.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_bsg.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_bsg.c71
1 files changed, 41 insertions, 30 deletions
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index bb15787c8f20..6bbdfaf6ddfe 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -329,7 +329,7 @@ lpfc_bsg_send_mgmt_cmd_cmp(struct lpfc_hba *phba,
spin_unlock_irqrestore(&phba->hbalock, flags);
iocb = &dd_data->context_un.iocb;
- ndlp = iocb->ndlp;
+ ndlp = iocb->cmdiocbq->context_un.ndlp;
rmp = iocb->rmp;
cmp = cmdiocbq->context2;
bmp = cmdiocbq->context3;
@@ -366,8 +366,8 @@ lpfc_bsg_send_mgmt_cmd_cmp(struct lpfc_hba *phba,
lpfc_free_bsg_buffers(phba, rmp);
lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
kfree(bmp);
- lpfc_sli_release_iocbq(phba, cmdiocbq);
lpfc_nlp_put(ndlp);
+ lpfc_sli_release_iocbq(phba, cmdiocbq);
kfree(dd_data);
/* Complete the job if the job is still active */
@@ -408,6 +408,9 @@ lpfc_bsg_send_mgmt_cmd(struct bsg_job *job)
/* in case no data is transferred */
bsg_reply->reply_payload_rcv_len = 0;
+ if (ndlp->nlp_flag & NLP_ELS_SND_MASK)
+ return -ENODEV;
+
/* allocate our bsg tracking structure */
dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL);
if (!dd_data) {
@@ -417,20 +420,10 @@ lpfc_bsg_send_mgmt_cmd(struct bsg_job *job)
goto no_dd_data;
}
- if (!lpfc_nlp_get(ndlp)) {
- rc = -ENODEV;
- goto no_ndlp;
- }
-
- if (ndlp->nlp_flag & NLP_ELS_SND_MASK) {
- rc = -ENODEV;
- goto free_ndlp;
- }
-
cmdiocbq = lpfc_sli_get_iocbq(phba);
if (!cmdiocbq) {
rc = -ENOMEM;
- goto free_ndlp;
+ goto free_dd;
}
cmd = &cmdiocbq->iocb;
@@ -496,11 +489,10 @@ lpfc_bsg_send_mgmt_cmd(struct bsg_job *job)
cmdiocbq->context1 = dd_data;
cmdiocbq->context2 = cmp;
cmdiocbq->context3 = bmp;
- cmdiocbq->context_un.ndlp = ndlp;
+
dd_data->type = TYPE_IOCB;
dd_data->set_job = job;
dd_data->context_un.iocb.cmdiocbq = cmdiocbq;
- dd_data->context_un.iocb.ndlp = ndlp;
dd_data->context_un.iocb.rmp = rmp;
job->dd_data = dd_data;
@@ -514,8 +506,13 @@ lpfc_bsg_send_mgmt_cmd(struct bsg_job *job)
readl(phba->HCregaddr); /* flush */
}
- iocb_stat = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
+ cmdiocbq->context_un.ndlp = lpfc_nlp_get(ndlp);
+ if (!cmdiocbq->context_un.ndlp) {
+ rc = -ENODEV;
+ goto free_rmp;
+ }
+ iocb_stat = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
if (iocb_stat == IOCB_SUCCESS) {
spin_lock_irqsave(&phba->hbalock, flags);
/* make sure the I/O had not been completed yet */
@@ -532,7 +529,7 @@ lpfc_bsg_send_mgmt_cmd(struct bsg_job *job)
}
/* iocb failed so cleanup */
- job->dd_data = NULL;
+ lpfc_nlp_put(ndlp);
free_rmp:
lpfc_free_bsg_buffers(phba, rmp);
@@ -544,9 +541,7 @@ free_bmp:
kfree(bmp);
free_cmdiocbq:
lpfc_sli_release_iocbq(phba, cmdiocbq);
-free_ndlp:
- lpfc_nlp_put(ndlp);
-no_ndlp:
+free_dd:
kfree(dd_data);
no_dd_data:
/* make error code available to userspace */
@@ -640,8 +635,9 @@ lpfc_bsg_rport_els_cmp(struct lpfc_hba *phba,
}
}
- lpfc_nlp_put(ndlp);
lpfc_els_free_iocb(phba, cmdiocbq);
+
+ lpfc_nlp_put(ndlp);
kfree(dd_data);
/* Complete the job if the job is still active */
@@ -718,15 +714,14 @@ lpfc_bsg_rport_els(struct bsg_job *job)
goto release_ndlp;
}
- rpi = ndlp->nlp_rpi;
-
/* Transfer the request payload to allocated command dma buffer */
-
sg_copy_to_buffer(job->request_payload.sg_list,
job->request_payload.sg_cnt,
((struct lpfc_dmabuf *)cmdiocbq->context2)->virt,
cmdsize);
+ rpi = ndlp->nlp_rpi;
+
if (phba->sli_rev == LPFC_SLI_REV4)
cmdiocbq->iocb.ulpContext = phba->sli4_hba.rpi_ids[rpi];
else
@@ -752,8 +747,13 @@ lpfc_bsg_rport_els(struct bsg_job *job)
readl(phba->HCregaddr); /* flush */
}
- rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
+ cmdiocbq->context1 = lpfc_nlp_get(ndlp);
+ if (!cmdiocbq->context1) {
+ rc = -EIO;
+ goto linkdown_err;
+ }
+ rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
if (rc == IOCB_SUCCESS) {
spin_lock_irqsave(&phba->hbalock, flags);
/* make sure the I/O had not been completed/released */
@@ -769,11 +769,9 @@ lpfc_bsg_rport_els(struct bsg_job *job)
rc = -EIO;
}
- /* iocb failed so cleanup */
- job->dd_data = NULL;
+ /* I/O issue failed. Cleanup resources. */
linkdown_err:
- cmdiocbq->context1 = ndlp;
lpfc_els_free_iocb(phba, cmdiocbq);
release_ndlp:
@@ -1469,6 +1467,15 @@ lpfc_issue_ct_rsp(struct lpfc_hba *phba, struct bsg_job *job, uint32_t tag,
unsigned long flags;
uint32_t creg_val;
+ ndlp = lpfc_findnode_did(phba->pport, phba->ct_ctx[tag].SID);
+ if (!ndlp) {
+ lpfc_printf_log(phba, KERN_WARNING, LOG_ELS,
+ "2721 ndlp null for oxid %x SID %x\n",
+ phba->ct_ctx[tag].rxid,
+ phba->ct_ctx[tag].SID);
+ return IOCB_ERROR;
+ }
+
/* allocate our bsg tracking structure */
dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL);
if (!dd_data) {
@@ -1559,7 +1566,11 @@ lpfc_issue_ct_rsp(struct lpfc_hba *phba, struct bsg_job *job, uint32_t tag,
dd_data->type = TYPE_IOCB;
dd_data->set_job = job;
dd_data->context_un.iocb.cmdiocbq = ctiocb;
- dd_data->context_un.iocb.ndlp = ndlp;
+ dd_data->context_un.iocb.ndlp = lpfc_nlp_get(ndlp);
+ if (!dd_data->context_un.iocb.ndlp) {
+ rc = -IOCB_ERROR;
+ goto issue_ct_rsp_exit;
+ }
dd_data->context_un.iocb.rmp = NULL;
job->dd_data = dd_data;
@@ -1574,7 +1585,6 @@ lpfc_issue_ct_rsp(struct lpfc_hba *phba, struct bsg_job *job, uint32_t tag,
}
rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, ctiocb, 0);
-
if (rc == IOCB_SUCCESS) {
spin_lock_irqsave(&phba->hbalock, flags);
/* make sure the I/O had not been completed/released */
@@ -1588,6 +1598,7 @@ lpfc_issue_ct_rsp(struct lpfc_hba *phba, struct bsg_job *job, uint32_t tag,
/* iocb failed so cleanup */
job->dd_data = NULL;
+ lpfc_nlp_put(ndlp);
issue_ct_rsp_exit:
lpfc_sli_release_iocbq(phba, ctiocb);