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lpfc: fix for handling unmapped ndlp in target reset handler

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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>
This commit is contained in:
James Smart 2014-09-03 12:58:16 -04:00 committed by Christoph Hellwig
parent eb01656688
commit 8c50d25c0e
2 changed files with 14 additions and 2 deletions
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8
drivers/scsi/lpfc/lpfc_scsi.c
View File

@ -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;

8
drivers/scsi/lpfc/lpfc_sli.c
View File

@ -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;