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SubjectRe: 2.4.0 + iproute2

Igmar Palsenberg writes:

> we might want to consider changing the error the call gives in case
> MULTIPLE_TABLES isn't set. -EINVAL is ugly, -ENOSYS should make the error
> more clear..

How do I tell the difference between using the wrong system call
number to invoke an ioctl or socket option change, and making a
call for a feature I haven't configured into my kernel?

I think ENOSYS is just a bad a choice.

Later,
David S. Miller
davem@redhat.com
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