]> git.baikalelectronics.ru Git - kernel.git/commitdiff
scsi: megaraid_sas: Don't call disable_irq from process IRQ poll
authorTomas Henzl <thenzl@redhat.com>
Thu, 27 Aug 2020 16:53:32 +0000 (18:53 +0200)
committerMartin K. Petersen <martin.petersen@oracle.com>
Thu, 3 Sep 2020 01:59:44 +0000 (21:59 -0400)
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 <thenzl@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/megaraid/megaraid_sas_fusion.c

index 0824410f78f8a241a549eaf14ee759b5e15ed151..0e143020a9fb77406188c3330a74ca0cfb426ea8 100644 (file)
@@ -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;
        }