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Lad Prabhakar
afdb1f1fef
The `get_frame_desc()` operation should always be called on a source pad, which is indicated by the `MEDIA_PAD_FL_SOURCE` flag. This patch adds a check in `call_get_frame_desc()` to ensure that the `MEDIA_PAD_FL_SOURCE` flag is set for the pad before invoking `get_frame_desc()`. If the pad is not a source pad, the function will return an `-EOPNOTSUPP` error, signaling that the operation is not supported on non-source pads. Suggested-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@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 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.