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net: net_assign_generic() fix

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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
1 changed files with 1 additions and 1 deletions
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net/core/net_namespace.c
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@@ -488,7 +488,7 @@ int net_assign_generic(struct net *net, int id, void *data)
*/ */
ng->len = id; 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); rcu_assign_pointer(net->gen, ng);
call_rcu(&old_ng->rcu, net_generic_release); call_rcu(&old_ng->rcu, net_generic_release);