The patch below does not apply to the 4.14-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 50457dab670f396557e60c07f086358460876353 Mon Sep 17 00:00:00 2001
From: Quinn Tran qutran@marvell.com Date: Tue, 29 Sep 2020 03:21:50 -0700 Subject: [PATCH] scsi: qla2xxx: Fix crash on session cleanup with unload
On unload, session cleanup prematurely gave the signal for driver unload path to advance.
Link: https://lore.kernel.org/r/20200929102152.32278-6-njavali@marvell.com Fixes: 726b85487067 ("qla2xxx: Add framework for async fabric discovery") Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani himanshu.madhani@oracle.com Signed-off-by: Quinn Tran qutran@marvell.com Signed-off-by: Nilesh Javali njavali@marvell.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 1ef39a96c4c2..eb4aa97bc71f 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -1231,14 +1231,15 @@ void qlt_schedule_sess_for_deletion(struct fc_port *sess) case DSC_DELETE_PEND: return; case DSC_DELETED: - if (tgt && tgt->tgt_stop && (tgt->sess_count == 0)) - wake_up_all(&tgt->waitQ); - if (sess->vha->fcport_count == 0) - wake_up_all(&sess->vha->fcport_waitQ); - if (!sess->plogi_link[QLT_PLOGI_LINK_SAME_WWN] && - !sess->plogi_link[QLT_PLOGI_LINK_CONFLICT]) + !sess->plogi_link[QLT_PLOGI_LINK_CONFLICT]) { + if (tgt && tgt->tgt_stop && tgt->sess_count == 0) + wake_up_all(&tgt->waitQ); + + if (sess->vha->fcport_count == 0) + wake_up_all(&sess->vha->fcport_waitQ); return; + } break; case DSC_UPD_FCPORT: /*