if (tuplehash_to_ctrack(i)->helper == me) 
if (tuplehash_to_ctrack(i)->helper == me) { ip_conntrack_event(IPCT_HELPER, tuplehash_to_ctrack(i)); 
static inline int unhelp(struct ip_conntrack_tuple_hash *i,			 const struct ip_conntrack_helper *me){	if (tuplehash_to_ctrack(i)->helper == me)		tuplehash_to_ctrack(i)->helper = NULL;	return 0;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/ac3247baf8ecadf168642e3898b0212c29c79715/ip_conntrack_core.c/buggy/net/ipv4/netfilter/ip_conntrack_core.c