Commit ceb1e087 authored by David Milburn's avatar David Milburn Committed by Christoph Hellwig

nvme-tcp: cancel async events before freeing event struct

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: default avatarDavid Milburn <dmilburn@redhat.com>
Reviewed-by: default avatarKeith Busch <kbusch@kernel.org>
Reviewed-by: default avatarSagi Grimberg <sagi@grimberg.me>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 925dd04c
...@@ -1597,6 +1597,7 @@ static struct blk_mq_tag_set *nvme_tcp_alloc_tagset(struct nvme_ctrl *nctrl, ...@@ -1597,6 +1597,7 @@ 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) static void nvme_tcp_free_admin_queue(struct nvme_ctrl *ctrl)
{ {
if (to_tcp_ctrl(ctrl)->async_req.pdu) { if (to_tcp_ctrl(ctrl)->async_req.pdu) {
cancel_work_sync(&ctrl->async_event_work);
nvme_tcp_free_async_req(to_tcp_ctrl(ctrl)); nvme_tcp_free_async_req(to_tcp_ctrl(ctrl));
to_tcp_ctrl(ctrl)->async_req.pdu = NULL; to_tcp_ctrl(ctrl)->async_req.pdu = NULL;
} }
......
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