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