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1658d973b2
commitb5184a26a2upstream. If for some reason 'rb->access->write()' does not write the full requested data and the O_NONBLOCK is set, we would return 'n' to userspace which is not really truth. Hence, let's return the number of bytes we effectively wrote. Fixes:9eeee3b0bf("iio: Add output buffer support") Signed-off-by: Nuno Sá <nuno.sa@analog.com> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> Link: https://lore.kernel.org/r/20230216101452.591805-2-nuno.sa@analog.com 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.