return NULL; 
return ERR_PTR(-EINVAL); 
rpcauth_create(rpc_authflavor_t pseudoflavor, struct rpc_clnt *clnt){	struct rpc_auth		*auth;	struct rpc_authops	*ops;	u32			flavor = pseudoflavor_to_flavor(pseudoflavor);	if (flavor >= RPC_AUTH_MAXFLAVOR || !(ops = auth_flavors[flavor]))		return NULL;	auth = ops->create(clnt, pseudoflavor);	if (!auth)		return NULL;	if (clnt->cl_auth)		rpcauth_destroy(clnt->cl_auth);	clnt->cl_auth = auth;	return auth;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/6a19275ada9137435da58990c8f8d3f58e170bf1/auth.c/clean/net/sunrpc/auth.c