On Thu, 7 Mar 2024 22:02:29 +0000
James Dutton <james.dutton@gmail.com> wrote:

> If one does a NULL check after it has been previously dereferenced,
> the compiler will totally remove the NULL check anyway,

I think the kernel uses -fno-delete-null-pointer-checks.

But anyway, this doesn't invalidate the point of having a NULL check.
The intent of the code was very clear.
So don't remove it.

-- 
Michael Büsch
https://bues.ch/