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5e95c88e906161faab0a403d021d4414f4a29cc6
[ Upstream commit7c0195fa9a] devm_kstrdup() returns pointer to allocated string on success, NULL on failure. So it is better to check the return value of it. Fixes:e35478eac0("i2c: mux: demux-pinctrl: run properly with multiple instances") Signed-off-by: Xiaoke Wang <xkernel.wang@foxmail.com> Signed-off-by: Wolfram Sang <wsa@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.
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