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24cc418b5b
The vim2m driver doesn't enforce that the capture and output buffers would have the same size. Do the right thing if the buffers are different, zeroing the buffer before writing, ensuring that lines will be aligned and it won't write past the buffer area. This is a temporary fix. A proper fix is to either implement a simple scaler at vim2m, or to better define the behaviour of M2M transform drivers at V4L2 API with regards to its capability of scaling the image or not. In any case, such changes would deserve a separate patch anyway, as it would imply on some behavoral change. Also, as we have an actual bug of writing data at wrong places, let's fix this here, and add a mental note that we need to properly address it. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@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.