lpfc: fix for handling unmapped ndlp in target reset handler

Fix for handling unmapped ndlp in target reset handler

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: Dick Kennedy <dick.kennedy@emulex.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 0f6be85..b99399f 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -5339,7 +5339,13 @@ lpfc_target_reset_handler(struct scsi_cmnd *cmnd)
        if (status == FAILED) {
                lpfc_printf_vlog(vport, KERN_ERR, LOG_FCP,
                        "0722 Target Reset rport failure: rdata x%p\n", rdata);
-               return FAILED;
+               spin_lock_irq(shost->host_lock);
+               pnode->nlp_flag &= ~NLP_NPR_ADISC;
+               pnode->nlp_fcp_info &= ~NLP_FCP_2_DEVICE;
+               spin_unlock_irq(shost->host_lock);
+               lpfc_reset_flush_io_context(vport, tgt_id, lun_id,
+                                         LPFC_CTX_TGT);
+               return FAST_IO_FAIL;
        }
 
        scsi_event.event_type = FC_REG_SCSI_EVENT;

diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index cea89c6..207a43d 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -10132,7 +10132,9 @@ lpfc_sli_abort_taskmgmt(struct lpfc_vport *vport, struct lpfc_sli_ring *pring,
                        uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd cmd)
 {
        struct lpfc_hba *phba = vport->phba;
+       struct lpfc_scsi_buf *lpfc_cmd;
        struct lpfc_iocbq *abtsiocbq;
+       struct lpfc_nodelist *ndlp;
        struct lpfc_iocbq *iocbq;
        IOCB_t *icmd;
        int sum, i, ret_val;
@@ -10187,7 +10189,11 @@ lpfc_sli_abort_taskmgmt(struct lpfc_vport *vport, struct lpfc_sli_ring *pring,
                if (iocbq->iocb_flag & LPFC_IO_FOF)
                        abtsiocbq->iocb_flag |= LPFC_IO_FOF;
 
-               if (lpfc_is_link_up(phba))
+               lpfc_cmd = container_of(iocbq, struct lpfc_scsi_buf, cur_iocbq);
+               ndlp = lpfc_cmd->rdata->pnode;
+
+               if (lpfc_is_link_up(phba) &&
+                   (ndlp && ndlp->nlp_state == NLP_STE_MAPPED_NODE))
                        abtsiocbq->iocb.ulpCommand = CMD_ABORT_XRI_CN;
                else
                        abtsiocbq->iocb.ulpCommand = CMD_CLOSE_XRI_CN;