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Yuan Chen 230b23da10 pinctrl: sunxi: Fix memory leak on krealloc failure
[ Upstream commit e3507c56cb ]

In sunxi_pctrl_dt_node_to_map(), when krealloc() fails to resize
the pinctrl_map array, the function returns -ENOMEM directly
without freeing the previously allocated *map buffer. This results
in a memory leak of the original kmalloc_array allocation.

Fixes: e11dee2e98 ("pinctrl: sunxi: Deal with configless pins")
Signed-off-by: Yuan Chen <chenyuan@kylinos.cn>
Link: https://lore.kernel.org/20250620012708.16709-1-chenyuan_fl@163.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-08-15 12:13:50 +02:00
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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 reStructuredText 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.