Haotian Zhang 9026f31a52 pinctrl: cirrus: Fix fwnode leak in cs42l43_pin_probe()
[ Upstream commit 9b07cdf86a ]

The driver calls fwnode_get_named_child_node() which takes a reference
on the child node, but never releases it, which causes a reference leak.

Fix by using devm_add_action_or_reset() to automatically release the
reference when the device is removed.

Fixes: d5282a5392 ("pinctrl: cs42l43: Add support for the cs42l43")
Suggested-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Haotian Zhang <vulab@iscas.ac.cn>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-12-01 11:41:45 +01:00
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2025-11-24 10:30:14 +01:00
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Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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