static int ipip_init_state(struct xfrm_state *x, void *args) 
static int ipip_init_state(struct xfrm_state *x) 
static int ipip_init_state(struct xfrm_state *x, void *args){	if (!x->props.mode)		return -EINVAL;	if (x->encap)		return -EINVAL;	x->props.header_len = sizeof(struct iphdr);	return 0;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/72cb6962a91f2af9eef69a06198e1949c10259ae/xfrm4_tunnel.c/clean/net/ipv4/xfrm4_tunnel.c