From 60a49e3f247ae43a0a4581fc73ef51b05c819181 Mon Sep 17 00:00:00 2001 From: Himanshu Madhani Date: Thu, 21 Nov 2019 16:36:55 -0500 Subject: [PATCH 145/155] [scsi] scsi: qla2xxx: Fix driver unload hang Message-id: <20191121163701.43688-21-hmadhani@redhat.com> Patchwork-id: 287849 O-Subject: [RHLE 7.8 e-stor PATCH v3 20/26] scsi: qla2xxx: Fix driver unload hang Bugzilla: 1731581 RH-Acked-by: Jarod Wilson RH-Acked-by: Ewan Milne RH-Acked-by: Tony Camuso From: Quinn Tran Bugzilla 1731581 This patch fixes driver unload hang by removing msleep() Fixes: d74595278f4ab ("scsi: qla2xxx: Add multiple queue pair functionality.") Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20191105150657.8092-5-hmadhani@marvell.com Reviewed-by: Ewan D. Milne Signed-off-by: Quinn Tran Signed-off-by: Himanshu Madhani Signed-off-by: Martin K. Petersen (cherry picked from commit dd322b7f3efc8cda085bb60eadc4aee6324eadd8) Signed-off-by: Himanshu Madhani Signed-off-by: Jan Stancek --- drivers/scsi/qla2xxx/qla_init.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 16ad80836fb7..3344f149e1c2 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -9057,8 +9057,6 @@ int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair) struct qla_hw_data *ha = qpair->hw; qpair->delete_in_progress = 1; - while (atomic_read(&qpair->ref_count)) - msleep(500); ret = qla25xx_delete_req_que(vha, qpair->req); if (ret != QLA_SUCCESS) -- 2.13.6