From: Daniel Wagner <[email protected]>

[ Upstream commit c9c12e51b82b2bd0c59ac4e27ee5427f382a503f ]

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: 16686f3a6c3c ("nvme: move common call to nvme_cleanup_cmd to core layer")
Signed-off-by: Daniel Wagner <[email protected]>
Reviewed-by: Himanshu Madhani <[email protected]>
Reviewed-by: Hannes Reinecke <[email protected]>
Reviewed-by: James Smart <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
 drivers/nvme/host/fc.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index 5ef4a84c442a1..564e3f220ac79 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -2300,10 +2300,11 @@ 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 &&
-- 
2.25.1



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