tipc: send explicit not supported error in nl compat
tipc: send explicit not supported error in nl compat

The legacy netlink API treated EPERM (permission denied) as
"operation not supported".

Reported-by: Tomi Ollila <70e345980e0249ae801eac632e30c9bb4882a25c@iki.fi>
Signed-off-by: Richard Alpe <f77cb6f028290c452a78ae03db78dc4cafbad466@ericsson.com>
Reviewed-by: Erik Hugne <527d9b95423f3946c01de0ba884fdd8bb4a3759d@ericsson.com>
Reviewed-by: Ying Xue <c1cbb87de349443b90fa63f6d2cc5403843bc133@windriver.com>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs