linux-kernel - [PATCH v2 2/5] nvme-fc: check all request and response have been processed

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Message-Id: <20251030-nvmet-fcloop-fixes-v2-2-b8d66a322c51@kernel.org>
Date: Thu, 30 Oct 2025 11:05:46 +0100
From: Daniel Wagner <wagi@...nel.org>
To: Justin Tee <justin.tee@...adcom.com>, Christoph Hellwig <hch@....de>, 
 Keith Busch <kbusch@...nel.org>
Cc: James Smart <james.smart@...adcom.com>, Jens Axboe <axboe@...nel.dk>, 
 linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Daniel Wagner <wagi@...nel.org>
Subject: [PATCH v2 2/5] nvme-fc: check all request and response have been
 processed

When the rport is removed there shouldn't be any in flight request or
responses.

Reviewed-by: Christoph Hellwig <hch@....de>
Signed-off-by: Daniel Wagner <wagi@...nel.org>
---
 drivers/nvme/host/fc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index 3ff70e6e8131..b613fc5966a7 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -520,6 +520,8 @@ nvme_fc_free_rport(struct kref *ref)
 
 	WARN_ON(rport->remoteport.port_state != FC_OBJSTATE_DELETED);
 	WARN_ON(!list_empty(&rport->ctrl_list));
+	WARN_ON(!list_empty(&rport->ls_req_list));
+	WARN_ON(!list_empty(&rport->ls_rcv_list));
 
 	/* remove from lport list */
 	spin_lock_irqsave(&nvme_fc_lock, flags);

-- 
2.51.1