-crypto_file=$(if $($(call crypto_confvar,$(1))),$(LINUX_DIR)/crypto/$(word 2,$(subst =,$(space),$(1))).$(LINUX_KMOD_SUFFIX))
-crypto_name=$(if $($(call crypto_confvar,$(1))),$(word 2,$(subst =,$(space),$(1))))
+crypto_file=$(if $(findstring y,$($(call crypto_confvar,$(1)))),,$(LINUX_DIR)/crypto/$(word 2,$(subst =,$(space),$(1))).$(LINUX_KMOD_SUFFIX))
+crypto_name=$(if $(findstring y,$($(call crypto_confvar,$(1)))),,$(word 2,$(subst =,$(space),$(1))))