From: David Milburn dmilburn@redhat.com
[ Upstream commit 925dd04c1f9825194b9e444c12478084813b2b5d ]
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 --- drivers/nvme/host/rdma.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 6c07bb55b0f83..4a0bc8927048a 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -809,6 +809,7 @@ 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;