From: David Milburn <dmilburn@xxxxxxxxxx> [ Upstream commit ceb1e0874dba5cbfc4e0b4145796a4bfb3716e6a ] Cancel async event work in case async event has been queued up, and nvme_tcp_submit_async_event() runs after event has been freed. Signed-off-by: David Milburn <dmilburn@xxxxxxxxxx> Reviewed-by: Keith Busch <kbusch@xxxxxxxxxx> Reviewed-by: Sagi Grimberg <sagi@xxxxxxxxxxx> Signed-off-by: Christoph Hellwig <hch@xxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/nvme/host/tcp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index a6d2e3330a584..e17f71e69f6ec 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -1566,6 +1566,7 @@ static struct blk_mq_tag_set *nvme_tcp_alloc_tagset(struct nvme_ctrl *nctrl, static void nvme_tcp_free_admin_queue(struct nvme_ctrl *ctrl) { if (to_tcp_ctrl(ctrl)->async_req.pdu) { + cancel_work_sync(&ctrl->async_event_work); nvme_tcp_free_async_req(to_tcp_ctrl(ctrl)); to_tcp_ctrl(ctrl)->async_req.pdu = NULL; } -- 2.25.1