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[ Upstream commita139ffa40f] Reading from the chip should be unlocked on error path else the lock could never being released. Fixes:07914c84ba("iio: adc: Add driver for Microchip MCP3422/3/4 high resolution ADC") Fixes:3f1093d83d("iio: adc: mcp3422: fix locking scope") Acked-by: Jonathan Cameron <jonathan.cameron@huawei.com> Signed-off-by: Angelo Compagnucci <angelo.compagnucci@gmail.com> Link: https://lore.kernel.org/r/20200901093218.1500845-1-angelo.compagnucci@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.