linux-kernel - [PATCH 0/2]scsi:libiscsi: Add iscsi_cls

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Date:   Mon, 7 Mar 2022 19:56:52 -0500
From:   Wenchao Hao <haowenchao@...wei.com>
To:     Mike Christie <michael.christie@...cle.com>,
        Lee Duncan <lduncan@...e.com>, Chris Leech <cleech@...hat.com>,
        "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        <open-iscsi@...glegroups.com>, <linux-scsi@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     Wu Bo <wubo40@...wei.com>, Zhiqiang Liu <liuzhiqiang26@...wei.com>,
        Wenchao Hao <haowenchao@...wei.com>
Subject: [PATCH 0/2]scsi:libiscsi: Add iscsi_cls_conn device to sysfs correctly

We found a NULL pointer dereference in iscsi_sw_tcp_conn_get_param(),
the root reason is we did sysfs addition wrong.

iscsi_create_conn() expose iscsi_cls_conn to sysfs while the related
resources are not initialized. So we should delay the calling of
device_add() until these resources has been initialized.

This patchset solve this issue by changing iscsi_conn_setup() and works 
well for iscsi_tcp.

Wenchao Hao (2):
  scsi: iscsi: Add helper functions to alloc and add iscsi_cls_conn
  scsi:libiscsi: Add iscsi_cls_conn to sysfs after been initialized

 drivers/scsi/libiscsi.c             | 13 ++++-
 drivers/scsi/scsi_transport_iscsi.c | 85 +++++++++++++++++++++++------
 include/scsi/scsi_transport_iscsi.h |  3 +
 3 files changed, 83 insertions(+), 18 deletions(-)

-- 
2.32.0