nvme-fc: don't call nvme_cleanup_cmd() for AENs

Asynchronous event notifications do not have an associated request.
When fcp_io() fails we unconditionally call nvme_cleanup_cmd() which
leads to a crash.

Fixes: 16686f3a6c ("nvme: move common call to nvme_cleanup_cmd to core layer")
Signed-off-by: Daniel Wagner <dwagner@suse.de>
Reviewed-by: Himanshu Madhani <hmadhani2024@gmail.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Daniel Wagner 2020-05-29 13:37:40 +02:00 committed by Jens Axboe
parent a40aae6bbf
commit c9c12e51b8

View File

@ -2634,10 +2634,11 @@ nvme_fc_start_fcp_op(struct nvme_fc_ctrl *ctrl, struct nvme_fc_queue *queue,
opstate = atomic_xchg(&op->state, FCPOP_STATE_COMPLETE);
__nvme_fc_fcpop_chk_teardowns(ctrl, op, opstate);
if (!(op->flags & FCOP_FLAGS_AEN))
if (!(op->flags & FCOP_FLAGS_AEN)) {
nvme_fc_unmap_data(ctrl, op->rq, op);
nvme_cleanup_cmd(op->rq);
}
nvme_cleanup_cmd(op->rq);
nvme_fc_ctrl_put(ctrl);
if (ctrl->rport->remoteport.port_state == FC_OBJSTATE_ONLINE &&