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commit22b4277641upstream. The ad7292 tries to add an devm_action for disabling a regulator at device detach using devm_add_action_or_reset(). The devm_add_action_or_reset() does call the release function should adding action fail. The driver inspects the value returned by devm_add_action_or_reset() and manually calls regulator_disable() if adding the action has failed. This leads to double disable and messes the enable count for regulator. Do not manually call disable if devm_add_action_or_reset() fails. Fixes:506d2e317a("iio: adc: Add driver support for AD7292") Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com> Tested-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com> Link: https://lore.kernel.org/r/Yv9O+9sxU7gAv3vM@fedora Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.