kfree(conn) is called inside put_device(&conn->dev) so that
another one would cause use-after-free. Besides, device_unregister
should be used here rather than put_device.
Fixes: f3c893e3dbb5 ("scsi: iscsi: Fail session and connection on transport registration failure")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Qinglang Miao <miaoqinglang@xxxxxxxxxx>
---
drivers/scsi/scsi_transport_iscsi.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 2eb3e4f93..2e68c0a87 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -2313,7 +2313,9 @@ iscsi_create_conn(struct iscsi_cls_session *session, int dd_size, uint32_t cid)
return conn;
release_conn_ref:
- put_device(&conn->dev);
+ device_unregister(&conn->dev);
+ put_device(&session->dev);
+ return NULL;
release_parent_ref:
put_device(&session->dev);
free_conn:
--
2.23.0
