> There is a judgement to be made at each call site of kfree
> (and similar functions) about whether the argument is rarely
> NULL, or could often be NULL. If the janitors have been
> making this judgement, I apologise, but I haven't seen them
> doing that.
>
> Paul.
Even if the caller passes NULL most of the time, the check should be removed.
It's just crazy talk to say "you should not check NULL before calling kfree, as long as you make sure it's not NULL most of the
time".
Hua
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