net: ppp_generic - use idr technique instead of cardmaps

Use idr technique instead of own implemented cardmaps.
It saves us a number of lines and gives an ability
to use library functions.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Cyrill Gorcunov 2008-12-17 00:34:06 -08:00 • committed by David S. Miller
commit 7a95d267fb