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| author | James Smart <james.smart@emulex.com> | 2014-09-03 12:57:43 -0400 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-09-16 09:10:11 -0700 |
| commit | 7ba36effb666831ac3803ca5b8aed371e7d17c4e (patch) | |
| tree | 547f593633d8df2803aa2e7a5848c826ac91f631 | |
| parent | 9bd2bff5e7140beab948ad3934f4039246748a24 (diff) | |
| download | linux-7ba36effb666831ac3803ca5b8aed371e7d17c4e.tar.bz2 | |
lpfc: fix crash from page fault caused by use after rport delete
Fix crash from page fault caused by use after rport delete.
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>
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_hbadisc.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 2d929a5e8354..310507dede2a 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -150,6 +150,17 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport) /* If the WWPN of the rport and ndlp don't match, ignore it */ if (rport->port_name != wwn_to_u64(ndlp->nlp_portname.u.wwn)) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE, + "6789 rport name %lx != node port name %lx", + (unsigned long)rport->port_name, + (unsigned long)wwn_to_u64( + ndlp->nlp_portname.u.wwn)); + put_node = rdata->pnode != NULL; + put_rport = ndlp->rport != NULL; + rdata->pnode = NULL; + ndlp->rport = NULL; + if (put_node) + lpfc_nlp_put(ndlp); put_device(&rport->dev); return; } @@ -285,6 +296,7 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) if (ndlp->nlp_sid != NLP_NO_SID) { warn_on = 1; /* flush the target */ + ndlp->nlp_add_flag &= ~NLP_IN_DEV_LOSS; lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring], ndlp->nlp_sid, 0, LPFC_CTX_TGT); } |