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>
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 2d929a5..310507d 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -150,6 +150,17 @@
/* 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 @@
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);
}