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0de73abe5f
Replace open-coded dma_resv_lock()/dma_resv_unlock() around dma_buf_unmap_attachment() in iio_buffer_dmabuf_release() with the dma_buf_unmap_attachment_unlocked() helper. This aligns with the standard DMA-BUF API, avoids duplicating locking logic and eases future maintenance. No functional change. Reviewed-by: fanggeng <fanggeng@lixiang.com> Signed-off-by: Liang Jie <liangjie@lixiang.com> Reviewed-by: Nuno Sá <nuno.sa@analog.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 reStructuredText 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.