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The st_press_allocate_ring() function calls iio_triggered_buffer_setup() to allocate a triggered buffer. But the same can be done with devm_iio_triggered_buffer_setup() and then the st_press_common_remove() no longer needs to manually deallocate it. We know that the parent of the IIO device is used to manage other instances of the devm unwind, so it can be used in the st_press_allocate_ring() as well. Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com> Link: https://lore.kernel.org/r/20210720074642.223293-1-aardelean@deviqon.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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.