From: Quinn Tran Date: Tue, 23 Apr 2019 21:52:35 +0000 (-0700) Subject: scsi: qla2xxx: Fix device staying in blocked state X-Git-Tag: v4.19.42~7 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=de7fe08b92dcb0f23bf48f1e287fc7840e5d0992;p=platform%2Fkernel%2Flinux-rpi3.git scsi: qla2xxx: Fix device staying in blocked state commit 2137490f2147a8d0799b72b9a1023efb012d40c7 upstream. This patch fixes issue reported by some of the customers, who discovered that after cable pull scenario the devices disappear and path seems to remain in blocked state. Once the device reappears, driver does not seem to update path to online. This issue appears because of the defer flag creating race condition where the same session reappears. This patch fixes this issue by indicating SCSI-ML of device lost when qlt_free_session_done() is called from qlt_unreg_sess(). Fixes: 41dc529a4602a ("qla2xxx: Improve RSCN handling in driver") Signed-off-by: Quinn Tran Cc: stable@vger.kernel.org #4.19 Signed-off-by: Himanshu Madhani Reviewed-by: Ewan D. Milne Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index d2888b3..a8c67cd 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -981,6 +981,8 @@ void qlt_free_session_done(struct work_struct *work) sess->send_els_logo); if (!IS_SW_RESV_ADDR(sess->d_id)) { + qla2x00_mark_device_lost(vha, sess, 0, 0); + if (sess->send_els_logo) { qlt_port_logo_t logo; @@ -1161,8 +1163,6 @@ void qlt_unreg_sess(struct fc_port *sess) if (sess->se_sess) vha->hw->tgt.tgt_ops->clear_nacl_from_fcport_map(sess); - qla2x00_mark_device_lost(vha, sess, 0, 0); - sess->deleted = QLA_SESS_DELETION_IN_PROGRESS; sess->disc_state = DSC_DELETE_PEND; sess->last_rscn_gen = sess->rscn_gen;