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[ Upstream commit 59ed5e2d505bf5f9b4af64d0021cd0c96aec1f7c ] Useful where the fwnode_handle was obtained from a call such as fwnode_find_reference() as it will safely do nothing if IS_ERR() is true and will automatically release the reference on the variable leaving scope. Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com> Link: https://lore.kernel.org/r/20240217164249.921878-3-jic23@kernel.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Stable-dep-of: 73b03b27736e ("leds: flash: mt6360: Fix device_for_each_child_node() refcounting in error paths") 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.