[RFC/PATCH] watchdog_ioctl: Add decoding of WDIOC_GETSUPPORT and WDIOC_SETOPTIONS ioctls.

[Dmitry V. Levin]

On Sun, Aug 04, 2024 at 12:28:00PM +0530, Sahil Siddiq wrote:
> Hi,
> 
> I am not sure how one adds a test for the constants
> that are bitwise OR'd in the options field of "struct
> watchdog_info". The struct is decoded when fd refers
> to a watchdog device (eg.: /dev/watchdog) but one needs
> to have the appropriate privileges to access such a
> device. I have left this part out for the time being.

We usually test decoding of such ioctls using injections, see
tests/ioctl_*-success.c tests, e.g. tests/ioctl_lirc-success.c


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ldv