squash! src: raise error for --enable-fips when no FIPS

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Author: danbev

src/crypto/crypto_util.cc

@@ -104,7 +104,7 @@ int NoPasswordCallback(char* buf, int size, int rwflag, void* u) {
 }
 
 bool ProcessFipsOptions() {
-  /* Override FIPS settings in cnf file, if needed. */
+  /* Override FIPS settings in configuration file, if needed. */
   if (per_process::cli_options->enable_fips_crypto ||
       per_process::cli_options->force_fips_crypto) {
 #if OPENSSL_VERSION_MAJOR >= 3
@@ -116,7 +116,7 @@ bool ProcessFipsOptions() {
     return EVP_default_properties_enable_fips(nullptr, 1) &&
            EVP_default_properties_is_fips_enabled(nullptr);
 #else
-    return 0 == FIPS_mode() && FIPS_mode_set(1);
+    return FIPS_mode() == 0 && FIPS_mode_set(1);
 #endif
   }
   return true;