to->nfcache = from->nfcache; 
static void ip_copy_metadata(struct sk_buff *to, struct sk_buff *from){	to->pkt_type = from->pkt_type;	to->priority = from->priority;	to->protocol = from->protocol;	dst_release(to->dst);	to->dst = dst_clone(from->dst);	to->dev = from->dev;	/* Copy the flags to each fragment. */	IPCB(to)->flags = IPCB(from)->flags;#ifdef CONFIG_NET_SCHED	to->tc_index = from->tc_index;#endif#ifdef CONFIG_NETFILTER	to->nfmark = from->nfmark;	to->nfcache = from->nfcache;	/* Connection association is same as pre-frag packet */	nf_conntrack_put(to->nfct);	to->nfct = from->nfct;	nf_conntrack_get(to->nfct);	to->nfctinfo = from->nfctinfo;#ifdef CONFIG_BRIDGE_NETFILTER	nf_bridge_put(to->nf_bridge);	to->nf_bridge = from->nf_bridge;	nf_bridge_get(to->nf_bridge);#endif#endif}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/6869c4d8e066e21623c812c448a05f1ed931c9c6/ip_output.c/clean/net/ipv4/ip_output.c