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Bartosz Golaszewski
c31071eabb
There are two places in the code where we retrieve a lookup table using gpiod_find_lookup_table() (which protects the table list with the lookup table lock) and then use it after the lock is released. We need to keep the lookup table mutex locked the entire time we're using the tables. Remove the locking from gpiod_find_lookup_table() and use guards to protect the code actually using the table objects. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.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.