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Subject[PATCH 5.8 026/118] nvme-fc: cancel async events before freeing event struct
Date
From: David Milburn <dmilburn@redhat.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@redhat.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.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 1a2b6910509ca..92c966ac34c20 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -2158,6 +2158,7 @@ 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++) {
__nvme_fc_exit_request(ctrl, aen_op);
--
2.25.1


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