From: Tomas Henzl <[email protected]>

[ Upstream commit b614d55b970d08bcac5b0bc15a5526181b3e4459 ]

disable_irq() might sleep, replace it with disable_irq_nosync(). For
synchronisation 'irq_poll_scheduled' is sufficient

Fixes: 320e77acb3 scsi: mpt3sas: Irq poll to avoid CPU hard lockups
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Tomas Henzl <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
 drivers/scsi/mpt3sas/mpt3sas_base.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c 
b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 96b78fdc6b8a9..a85c9672c6ea3 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -1732,7 +1732,7 @@ _base_irqpoll(struct irq_poll *irqpoll, int budget)
        reply_q = container_of(irqpoll, struct adapter_reply_queue,
                        irqpoll);
        if (reply_q->irq_line_enable) {
-               disable_irq(reply_q->os_irq);
+               disable_irq_nosync(reply_q->os_irq);
                reply_q->irq_line_enable = false;
        }
        num_entries = _base_process_reply_queue(reply_q);
-- 
2.25.1



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