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scsi: megaraid_sas: Don't call disable_irq from process IRQ poll

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[ Upstream commit d2af39141eea34ef651961e885f49d96781a1016 ]

disable_irq() might sleep. Replace it with disable_irq_nosync() which is
sufficient as irq_poll_scheduled protects against concurrently running
complete_cmd_fusion() from megasas_irqpoll() and megasas_isr_fusion().

Link: https://lore.kernel.org/r/20200827165332.8432-1-thenzl@redhat.com
Fixes: a6ffd5bf68 scsi: megaraid_sas: Call disable_irq from process IRQ poll
Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Tomas Henzl 2020-08-27 18:53:32 +02:00 • committed by Greg Kroah-Hartman
commit aa204e20f4
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/megaraid/megaraid_sas_fusion.c
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@ -3738,7 +3738,7 @@ int megasas_irqpoll(struct irq_poll *irqpoll, int budget)
instance = irq_ctx->instance;
if (irq_ctx->irq_line_enable) {
disable_irq(irq_ctx->os_irq);
disable_irq_nosync(irq_ctx->os_irq);
irq_ctx->irq_line_enable = false;
}