scsi: mpt3sas: Don't call disable_irq from IRQ poll handler

[ Upstream commit b614d55 ] disable_irq() might sleep, replace it with disable_irq_nosync(). For synchronisation 'irq_poll_scheduled' is sufficient Fixes: 320e77a 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]>
AmpereComputing · Sep 17, 2020 · 122cdbd · 122cdbd
1 parent aa204e2
commit 122cdbd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -1632,7 +1632,7 @@ _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);