[EBTABLES]: Verify that ebt_entries have zero ->distinguisher.

We need that for iterator to work; existing check had been too weak.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Al Viro 2006-11-30 19:24:12 -08:00 committed by David S. Miller
commit 40642f95f5