[PATCH v4] kernel/watch_queue: NULL the dangling *pipe, and use it for clear check

[Siddh Raman Pant]

On Wed, 11 Jan 2023 23:50:20 +0530, David Howells wrote:
> Siddh Raman Pant code at siddh.me> wrote:
> 
> > All tests in tests/ pass except features/builtin_trusted, which
> > fails even without the patch. (Failure log: https://pastebin.com/SGgAbzXp)
> 
> Don't worry about that one.  That requires some kernel preparation.
> 
> David

Hello,

Please let me know if any changes are required.
Context: https://lore.kernel.org/all/20230111161934.336743-1-code@siddh.me/

Thanks,
Siddh