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Hans de Goede
f315c1acba
Several of the ioctl handlers all do the same checks (isp->fatal_error and asd->streaming errors) add an atomisp_pipe_check() helper for this. Note this changes the vidioc_s_fmt_vid_cap and vidioc_s_input handlers to now reject calls made while asd->streaming==STOPPING. This fixes a possible race where one thread can make this ioctls while vidioc_streamoff is running from another thread and it has temporarily released isp->mutex to kill the watchdog timers / work. Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@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.