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Date: Thu, 1 Nov 2001 23:30:21 -0800 (PST)
From: Ken Ashcraft <kash@stanford.edu>
To: <linux-kernel@vger.kernel.org>
cc: <engler@stanford.edu>
Subject: null pointer questions
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Two questions:
1. If I pass size 0 to kmalloc, what does it return?

2. What happens if I pass a null pointer as the destination parameter
to copy_from_user?  Does copy_from_user handle it safely or will the
kernel seg fault?

Thanks for your answers,
Ken Ashcraft

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