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SubjectRe: [PATCH] Use NULL instead of integer 0 in security/selinux/

Linus Torvalds wrote:

> It's not about "unsafe". It's about being WRONG.
> The fact is, people who write "0" are either living in the stone age, or
> are not sure about the type. "0" is an _integer_. It's not a pointer. It
> may be legal C, but that doesn't make it right anyway. "0" also happens to
> be one of the more _common_ integers, so mistakes happen.

Not to be picky, and I realize that we're not using C++ here, and it may
not apply, but every C++ text I've read deprecates NULL and says to use
0. That is, THE WAY that you specify a null pointer in C++ is with a
zero. It's no surprise that C programmers might pick up that habit.

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