Commit 925dd04c authored Sep 02, 2020 by David Milburn Committed by Christoph Hellwig Sep 08, 2020

nvme-rdma: cancel async events before freeing event struct



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>

parent e126e821

drivers/nvme/host/rdma.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -835,6 +835,7 @@ static void nvme_rdma_destroy_admin_queue(struct nvme_rdma_ctrl *ctrl,
		blk_mq_free_tag_set(ctrl->ctrl.admin_tagset);
		}
		if (ctrl->async_event_sqe.data) {
		cancel_work_sync(&ctrl->ctrl.async_event_work);
		nvme_rdma_free_qe(ctrl->device->dev, &ctrl->async_event_sqe,
		sizeof(struct nvme_command), DMA_TO_DEVICE);
		ctrl->async_event_sqe.data = NULL;

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