| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.8 028/118] nvme-tcp: cancel async events before freeing event struct | Date | Mon, 21 Sep 2020 18:27:20 +0200 |
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From: David Milburn <dmilburn@redhat.com>
[ 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@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/tcp.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index f1f66bf96cbb9..24467eea73999 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -1567,6 +1567,7 @@ 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
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