From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: Johan Hovold <johan@kernel.org>
Cc: Andi Shyti <andi.shyti@kernel.org>,
linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH v3 05/10] i2c: core: fix adapter debugfs creation
Date: Wed, 3 Jun 2026 15:14:54 +0200 [thread overview]
Message-ID: <aiAozu6l6ohWCX3o@ninjato> (raw)
In-Reply-To: <20260511143715.729714-6-johan@kernel.org>
On Mon, May 11, 2026 at 04:37:10PM +0200, Johan Hovold wrote:
> Clients can be registered from bus notifier callbacks so the debugfs
> directory needs to be created before registering the adapter as clients
> use that directory as their debugfs parent.
>
> Move debugfs creation before adapter registration to avoid having
> clients create their debugfs directories in the debugfs root (which is
> also more likely to fail due to name collisions).
>
> Note that failure to allocate the adapter name must now be handled
> explicitly as debugfs_create_dir() cannot handle a NULL name (unlike
> device_add() which returns an error).
>
> Fixes: 73febd775bdb ("i2c: create debugfs entry per adapter")
> Cc: stable@vger.kernel.org # 6.8
> Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>
> Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
next prev parent reply other threads:[~2026-06-03 13:14 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-11 14:37 [PATCH v3 00/10] i2c: core: adapter registration fixes Johan Hovold
2026-05-11 14:37 ` [PATCH v3 01/10] i2c: core: fix irq domain leak on adapter registration failure Johan Hovold
2026-06-03 9:16 ` Wolfram Sang
2026-05-11 14:37 ` [PATCH v3 02/10] i2c: core: fix hang " Johan Hovold
2026-06-03 9:19 ` Wolfram Sang
2026-05-11 14:37 ` [PATCH v3 03/10] i2c: core: fix NULL-deref " Johan Hovold
2026-06-03 9:27 ` Wolfram Sang
2026-05-11 14:37 ` [PATCH v3 04/10] i2c: core: fix adapter probe deferral loop Johan Hovold
2026-06-03 9:32 ` Wolfram Sang
2026-05-11 14:37 ` [PATCH v3 05/10] i2c: core: fix adapter debugfs creation Johan Hovold
2026-06-03 13:14 ` Wolfram Sang [this message]
2026-05-11 14:37 ` [PATCH v3 06/10] i2c: core: disable runtime PM on adapter registration failure Johan Hovold
2026-06-03 13:19 ` Wolfram Sang
2026-05-11 14:37 ` [PATCH v3 07/10] i2c: core: fix adapter registration race Johan Hovold
2026-06-04 8:50 ` Wolfram Sang
2026-05-11 14:37 ` [PATCH v3 08/10] i2c: core: fix adapter deregistration race Johan Hovold
2026-06-04 8:50 ` Wolfram Sang
2026-05-11 14:37 ` [PATCH v3 09/10] i2c: core: clean up bus id allocation Johan Hovold
2026-06-04 9:55 ` Wolfram Sang
2026-05-11 14:37 ` [PATCH v3 10/10] i2c: core: clean up adapter registration error label Johan Hovold
2026-06-04 9:55 ` Wolfram Sang
2026-05-11 16:35 ` [PATCH v3 00/10] i2c: core: adapter registration fixes Wolfram Sang
2026-05-11 17:49 ` Johan Hovold
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