shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-08 20:07:46 +09:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
[ Upstream commit d2af39141e ]

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
parent 0b4662709c
commit aa204e20f4
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/scsi/megaraid/megaraid_sas_fusion.c
View File

@@ -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;
}