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Checking if the device is operational when entering the function to wait for user interrupt is not something that is useful or necessary. It is not done in any other wait_for_cs ioctl path. If the device becomes non-operational during the wait, the reset function will make sure the process wait is interrupted. Instead, move the check to the beginning of hl_wait_ioctl(). It will block any attempt to wait on CS or user interrupt once the device is already marked as non-operational. Signed-off-by: Oded Gabbay <ogabbay@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.