[PATCH 5.3 005/180] scsi: qla2xxx: Fix driver unload hang

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From: Quinn Tran <qutran@xxxxxxxxxxx>

commit dd322b7f3efc8cda085bb60eadc4aee6324eadd8 upstream.

This patch fixes driver unload hang by removing msleep()

Fixes: d74595278f4ab ("scsi: qla2xxx: Add multiple queue pair functionality.")
Cc: stable@xxxxxxxxxxxxxxx
Link: https://lore.kernel.org/r/20191105150657.8092-5-hmadhani@xxxxxxxxxxx
Reviewed-by: Ewan D. Milne <emilne@xxxxxxxxxx>
Signed-off-by: Quinn Tran <qutran@xxxxxxxxxxx>
Signed-off-by: Himanshu Madhani <hmadhani@xxxxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/scsi/qla2xxx/qla_init.c |    2 --
 1 file changed, 2 deletions(-)

--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -9092,8 +9092,6 @@ int qla2xxx_delete_qpair(struct scsi_qla
 	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)





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