Tim Waugh (tim@cyberelk.demon.co.uk)
Fri, 19 Mar 1999 18:44:28 +0000 (GMT)
On Fri, 19 Mar 1999, Dale Whitfield wrote:
> Wondered what the opinions were on the fact that parport, and other
> drivers no doubt, always assume they are returning data to user-space.
> Hence they verify whether the data buffer is readable or writable.
They don't actually, not since about 2.2.3-tmw3. They can't touch
user-space if they're non-blocking. I thought I mentioned that in my last
mail to you, actually.
Tim.
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This archive was generated by hypermail 2.0b3 on Sun 28 Mar 1999 - 17:02:46 EST