From 57bf595a6f24370424f625aac123cd12dbff5ffe Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Thu, 8 Aug 2019 20:01:34 -0700 Subject: [PATCH] scsi: qla2xxx: Verify locking assumptions at runtime Make sure that locking assumptions are verified at runtime if kernel debugging is enabled. Cc: Himanshu Madhani Signed-off-by: Bart Van Assche Tested-by: Himanshu Madhani Reviewed-by: Himanshu Madhani Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_target.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index b8241d7b1f8a..ded5f13372af 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -789,6 +789,8 @@ qlt_plogi_ack_find_add(struct scsi_qla_host *vha, port_id_t *id, { struct qlt_plogi_ack_t *pla; + lockdep_assert_held(&vha->hw->hardware_lock); + list_for_each_entry(pla, &vha->plogi_ack_list, list) { if (pla->id.b24 == id->b24) { ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0x210d, @@ -4713,6 +4715,8 @@ static int qlt_handle_login(struct scsi_qla_host *vha, struct qlt_plogi_ack_t *pla; unsigned long flags; + lockdep_assert_held(&vha->hw->hardware_lock); + wwn = wwn_to_u64(iocb->u.isp24.port_name); port_id.b.domain = iocb->u.isp24.port_id[2]; @@ -4886,6 +4890,8 @@ static int qlt_24xx_handle_els(struct scsi_qla_host *vha, int res = 0; unsigned long flags; + lockdep_assert_held(&ha->hardware_lock); + wwn = wwn_to_u64(iocb->u.isp24.port_name); port_id.b.domain = iocb->u.isp24.port_id[2]; @@ -5162,6 +5168,8 @@ static void qlt_handle_imm_notify(struct scsi_qla_host *vha, int send_notify_ack = 1; uint16_t status; + lockdep_assert_held(&ha->hardware_lock); + status = le16_to_cpu(iocb->u.isp2x.status); switch (status) { case IMM_NTFY_LIP_RESET: -- 2.39.5