net: net_assign_generic() fix

memcpy() should take into account size of pointers,
not only number of pointers to copy.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2009-07-28 02:36:15 +00:00 committed by David S. Miller
parent 446e72f30e
commit 144586301f

View File

@ -488,7 +488,7 @@ int net_assign_generic(struct net *net, int id, void *data)
*/
ng->len = id;
memcpy(&ng->ptr, &old_ng->ptr, old_ng->len);
memcpy(&ng->ptr, &old_ng->ptr, old_ng->len * sizeof(void*));
rcu_assign_pointer(net->gen, ng);
call_rcu(&old_ng->rcu, net_generic_release);