[NET]: Revert skb_copy_datagram_iovec() recursion elimination.

Revert the following changeset:

bc8dfcb939

Recursive SKB frag lists are really possible and disallowing
them breaks things.

Noticed by: Jesse Brandeburg <jesse.brandeburg@intel.com>

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2006-02-13 16:06:10 -08:00
commit b4d9eda028