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Subject: Re: [PATCH] Bluetooth: Fix debugfs entry leak in hci_register_dev()
From:   Marcel Holtmann <marcel@holtmann.org>
In-Reply-To: <20211013085546.101615-1-weiyongjun1@huawei.com>
Date:   Wed, 13 Oct 2021 14:29:00 +0200
Cc:     linux-bluetooth <linux-bluetooth@vger.kernel.org>,
        Johan Hedberg <johan.hedberg@gmail.com>,
        Luiz Augusto von Dentz <luiz.dentz@gmail.com>
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Message-Id: <A80515D1-03BE-46F5-8522-20DD6A4A8E04@holtmann.org>
References: <20211013085546.101615-1-weiyongjun1@huawei.com>
To:     Wei Yongjun <weiyongjun1@huawei.com>
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Hi Wei,

> Fault injection test report debugfs entry leak as follows:
> 
> debugfs: Directory 'hci0' with parent 'bluetooth' already present!
> 
> When register_pm_notifier() failed in hci_register_dev(), the debugfs
> create by debugfs_create_dir() do not removed in the error handing path.
> 
> Add the remove debugfs code to fix it.
> 
> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>

patch has been applied to bluetooth-next tree.

Regards

Marcel