From: Tomas Henzl Date: Thu, 27 Aug 2020 16:53:32 +0000 (+0200) Subject: scsi: megaraid_sas: Don't call disable_irq from process IRQ poll X-Git-Tag: v5.9-rc5~26^2~1 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d2af39141eea34ef651961e885f49d96781a1016;p=thirdparty%2Fkernel%2Fstable.git scsi: megaraid_sas: Don't call disable_irq from process IRQ poll 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: a6ffd5bf681 scsi: megaraid_sas: Call disable_irq from process IRQ poll Signed-off-by: Tomas Henzl Signed-off-by: Martin K. Petersen --- diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 0824410f78f8a..0e143020a9fb7 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -3689,7 +3689,7 @@ 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; }