linux-kernel - Re: [PATCH v3] RDMA/rtrs: Add missing deinit() call

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Message-Id: <173617016505.510269.15505675662356312678.b4-ty@kernel.org>
Date: Mon, 06 Jan 2025 08:29:25 -0500
From: Leon Romanovsky <leon@...nel.org>
To: linux-rdma@...r.kernel.org, Li Zhijian <lizhijian@...itsu.com>
Cc: haris.iqbal@...os.com, Jack Wang <jinpu.wang@...os.com>, 
 Jason Gunthorpe <jgg@...pe.ca>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] RDMA/rtrs: Add missing deinit() call


On Mon, 06 Jan 2025 08:45:16 +0800, Li Zhijian wrote:
> A warning is triggered when repeatedly connecting and disconnecting the
> rnbd:
>  list_add corruption. prev->next should be next (ffff88800b13e480), but was ffff88801ecd1338. (prev=ffff88801ecd1340).
>  WARNING: CPU: 1 PID: 36562 at lib/list_debug.c:32 __list_add_valid_or_report+0x7f/0xa0
>  Workqueue: ib_cm cm_work_handler [ib_cm]
>  RIP: 0010:__list_add_valid_or_report+0x7f/0xa0
>   ? __list_add_valid_or_report+0x7f/0xa0
>   ib_register_event_handler+0x65/0x93 [ib_core]
>   rtrs_srv_ib_dev_init+0x29/0x30 [rtrs_server]
>   rtrs_ib_dev_find_or_add+0x124/0x1d0 [rtrs_core]
>   __alloc_path+0x46c/0x680 [rtrs_server]
>   ? rtrs_rdma_connect+0xa6/0x2d0 [rtrs_server]
>   ? rcu_is_watching+0xd/0x40
>   ? __mutex_lock+0x312/0xcf0
>   ? get_or_create_srv+0xad/0x310 [rtrs_server]
>   ? rtrs_rdma_connect+0xa6/0x2d0 [rtrs_server]
>   rtrs_rdma_connect+0x23c/0x2d0 [rtrs_server]
>   ? __lock_release+0x1b1/0x2d0
>   cma_cm_event_handler+0x4a/0x1a0 [rdma_cm]
>   cma_ib_req_handler+0x3a0/0x7e0 [rdma_cm]
>   cm_process_work+0x28/0x1a0 [ib_cm]
>   ? _raw_spin_unlock_irq+0x2f/0x50
>   cm_req_handler+0x618/0xa60 [ib_cm]
>   cm_work_handler+0x71/0x520 [ib_cm]
> 
> [...]

Applied, thanks!

[1/1] RDMA/rtrs: Add missing deinit() call
      https://git.kernel.org/rdma/rdma/c/81468c4058a62e

Best regards,
-- 
Leon Romanovsky <leon@...nel.org>