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[ Upstream commit 636f4618b1cd96f6b5a2b8c7c4f665c8533ecf13 ]
In the commit referenced by the Fixes tag,
devm_gpiod_get_optional() was replaced by manual
GPIO management, relying on the regulator core to release the
GPIO descriptor. However, this approach does not account for the
error path: when regulator registration fails, the core never
takes over the GPIO, resulting in a resource leak.
Add gpiod_put() before returning on regulator registration failure.
Fixes: 5e6f3ae5c1 ("regulator: fixed: Let core handle GPIO descriptor")
Signed-off-by: Haotian Zhang <vulab@iscas.ac.cn>
Link: https://patch.msgid.link/20251028172828.625-1-vulab@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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.