From: Ding Hui <dinghui@sangfor.com.cn>
Date: Sat, 11 Sep 2021 21:51:59 +0800
Subject: [PATCH] scsi: libiscsi: Move ehwait initialization to
Git-commit: e018f03d6ccbd9c3ce6a9fae4f582113f2a2906b
Patch-mainline: v5.16-rc1
References: jsc#PED-1559
iscsi_session_setup()
Commit ec29d0ac29be ("scsi: iscsi: Fix conn use after free during resets")
moved member ehwait from 'conn' to 'session', but left the initialization
of ehwait in iscsi_conn_setup().
Although a session can only have 1 conn currently, it is better to
initialize ehwait in iscsi_session_setup() in case we implement handling
multiple conns in the future.
Link: https://lore.kernel.org/r/20210911135159.20543-1-dinghui@sangfor.com.cn
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Ding Hui <dinghui@sangfor.com.cn>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Hannes Reinecke <hare@suse.com>
---
drivers/scsi/libiscsi.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 4683c183e9d4..712a45368385 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -2947,6 +2947,7 @@ iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost,
session->tmf_state = TMF_INITIAL;
timer_setup(&session->tmf_timer, iscsi_tmf_timedout, 0);
mutex_init(&session->eh_mutex);
+ init_waitqueue_head(&session->ehwait);
spin_lock_init(&session->frwd_lock);
spin_lock_init(&session->back_lock);
@@ -3074,8 +3075,6 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size,
goto login_task_data_alloc_fail;
conn->login_task->data = conn->data = data;
- init_waitqueue_head(&session->ehwait);
-
return cls_conn;
login_task_data_alloc_fail:
--
2.35.3