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nvme-rdma: cancel async events before freeing event struct
[ Upstream commit 925dd04c1f
]
Cancel async event work in case async event has been queued up, and
nvme_rdma_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>
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1 changed files with 1 additions and 0 deletions
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@ -740,6 +740,7 @@ static void nvme_rdma_destroy_admin_queue(struct nvme_rdma_ctrl *ctrl,
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nvme_rdma_free_tagset(&ctrl->ctrl, ctrl->ctrl.admin_tagset);
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}
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if (ctrl->async_event_sqe.data) {
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cancel_work_sync(&ctrl->ctrl.async_event_work);
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nvme_rdma_free_qe(ctrl->device->dev, &ctrl->async_event_sqe,
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sizeof(struct nvme_command), DMA_TO_DEVICE);
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ctrl->async_event_sqe.data = NULL;
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