[PATCH v2 21/58] qla2xxx: Do not corrupt vha->plogi_ack_list

[Bart Van Assche <bvanassche@xxxxxxx>]

Delete the PLOGIN ACK data structure from the vha->plogi_ack_list before
freeing that data structure to avoid that that list gets corrupted.

Cc: Himanshu Madhani <hmadhani@xxxxxxxxxxx>
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
---
 drivers/scsi/qla2xxx/qla_os.c     | 8 ++++++--
 drivers/scsi/qla2xxx/qla_target.c | 4 +++-
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index a5acd5e2dfb1..37e24987c852 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -5083,8 +5083,10 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
 				   "%s %8phC mem alloc fail.\n",
 				   __func__, e->u.new_sess.port_name);
 
-			if (pla)
+			if (pla) {
+				list_del(&pla->list);
 				kmem_cache_free(qla_tgt_plogi_cachep, pla);
+			}
 			return;
 		}
 
@@ -5195,8 +5197,10 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
 
 	if (free_fcport) {
 		qla2x00_free_fcport(fcport);
-		if (pla)
+		if (pla) {
+			list_del(&pla->list);
 			kmem_cache_free(qla_tgt_plogi_cachep, pla);
+		}
 	}
 }
 
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index ea22e62257cb..9cd5e2fba8ca 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -4796,8 +4796,10 @@ static int qlt_handle_login(struct scsi_qla_host *vha,
 			    __func__, sess->port_name, sec);
 		}
 
-		if (!conflict_sess)
+		if (!conflict_sess) {
+			list_del(&pla->list);
 			kmem_cache_free(qla_tgt_plogi_cachep, pla);
+		}
 
 		qlt_send_term_imm_notif(vha, iocb, 1);
 		goto out;
-- 
2.22.0