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From: Johan Hovold <johan@kernel.org>
To: Wolfram Sang <wsa+renesas@sang-engineering.com>
Cc: Andi Shyti <andi.shyti@kernel.org>,
	linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
	Johan Hovold <johan@kernel.org>
Subject: [PATCH v3 00/10] i2c: core: adapter registration fixes
Date: Mon, 11 May 2026 16:37:05 +0200	[thread overview]
Message-ID: <20260511143715.729714-1-johan@kernel.org> (raw)

This series fixes a number of bugs related to adapter registration found
through inspection (when looking into addressing i2c lifetime issues).

Included are also two related cleanups.

Johan


Changes in v3:
 - split NULL-deref fix from probe loop fix (2-3/10)
 - add missing adapter name error handling (5/10)
 - replace adapter in IDR also on registration failures (8/10)

Changes in v2:
 - fix irq domain leak (new, flagged by Sashiko when reviewing v1)
 - add adapter to IDR before registration as needed by i2c-dev
 - honour devicetree alias also when using i2c_add_numbered_adapter()


Johan Hovold (10):
  i2c: core: fix irq domain leak on adapter registration failure
  i2c: core: fix hang on adapter registration failure
  i2c: core: fix NULL-deref on adapter registration failure
  i2c: core: fix adapter probe deferral loop
  i2c: core: fix adapter debugfs creation
  i2c: core: disable runtime PM on adapter registration failure
  i2c: core: fix adapter registration race
  i2c: core: fix adapter deregistration race
  i2c: core: clean up bus id allocation
  i2c: core: clean up adapter registration error label

 drivers/i2c/i2c-core-base.c | 173 +++++++++++++++++++++---------------
 1 file changed, 100 insertions(+), 73 deletions(-)

-- 
2.53.0


             reply	other threads:[~2026-05-11 14:37 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-11 14:37 Johan Hovold [this message]
2026-05-11 14:37 ` [PATCH v3 01/10] i2c: core: fix irq domain leak on adapter registration failure Johan Hovold
2026-05-11 14:37 ` [PATCH v3 02/10] i2c: core: fix hang " Johan Hovold
2026-05-11 14:37 ` [PATCH v3 03/10] i2c: core: fix NULL-deref " Johan Hovold
2026-05-11 14:37 ` [PATCH v3 04/10] i2c: core: fix adapter probe deferral loop Johan Hovold
2026-05-11 14:37 ` [PATCH v3 05/10] i2c: core: fix adapter debugfs creation Johan Hovold
2026-05-11 14:37 ` [PATCH v3 06/10] i2c: core: disable runtime PM on adapter registration failure Johan Hovold
2026-05-11 14:37 ` [PATCH v3 07/10] i2c: core: fix adapter registration race Johan Hovold
2026-05-11 14:37 ` [PATCH v3 08/10] i2c: core: fix adapter deregistration race Johan Hovold
2026-05-11 14:37 ` [PATCH v3 09/10] i2c: core: clean up bus id allocation Johan Hovold
2026-05-11 14:37 ` [PATCH v3 10/10] i2c: core: clean up adapter registration error label Johan Hovold
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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