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When the stream fails to start, the first two buffers in the queue have been moved to the active_vb2_buf array and are returned to vb2 by imx7_csi_dma_unsetup_vb2_buf(). The function is called with the buffer state set to VB2_BUF_STATE_ERROR unconditionally, which is correct when stopping the stream, but not when the start operation fails. In that case, the state should be set to VB2_BUF_STATE_QUEUED. Fix it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Tested-by: Martin Kepplinger <martin.kepplinger@puri.sm> Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.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 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.