valid task structure and wake_up_process

[Shirish Pargaonkar]

How do I check whether a task is valid before calling wake_up_process() with
that task structure pointer?
I could call wake_up_process with a task structure that is corrupt or incorrect
and that could cause a system crash, so I wanted to do a sanity check of
the task structure.

I do not subscribe to this list, so please copy me you responses.

Regards,

Shirish
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