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Date: Mon, 14 Sep 2020 09:04:55 -0400 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: David Milburn <dmilburn@...hat.com>, Keith Busch <kbusch@...nel.org>, Sagi Grimberg <sagi@...mberg.me>, Christoph Hellwig <hch@....de>, Sasha Levin <sashal@...nel.org>, linux-nvme@...ts.infradead.org Subject: [PATCH AUTOSEL 4.19 12/19] nvme-fc: cancel async events before freeing event struct From: David Milburn <dmilburn@...hat.com> [ Upstream commit e126e8210e950bb83414c4f57b3120ddb8450742 ] Cancel async event work in case async event has been queued up, and nvme_fc_submit_async_event() runs after event has been freed. Signed-off-by: David Milburn <dmilburn@...hat.com> Reviewed-by: Keith Busch <kbusch@...nel.org> Reviewed-by: Sagi Grimberg <sagi@...mberg.me> Signed-off-by: Christoph Hellwig <hch@....de> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/nvme/host/fc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index bb3b447c56468..73db32f97abf3 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -1791,6 +1791,7 @@ nvme_fc_term_aen_ops(struct nvme_fc_ctrl *ctrl) struct nvme_fc_fcp_op *aen_op; int i; + cancel_work_sync(&ctrl->ctrl.async_event_work); aen_op = ctrl->aen_ops; for (i = 0; i < NVME_NR_AEN_COMMANDS; i++, aen_op++) { if (!aen_op->fcp_req.private) -- 2.25.1
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