Fix: exec invoke errno and resolvectl leak (#42812)

src/core/exec-invoke.c

@@ -1090,7 +1090,7 @@ static int ask_password_conv(
 
                                 if (creds_dir) {
                                         if (setenv("CREDENTIALS_DIRECTORY", creds_dir, /* overwrite= */ true) < 0)
-                                                return log_error_errno(r, "Failed to set $CREDENTIALS_DIRECTORY: %m");
+                                                return log_error_errno(errno, "Failed to set $CREDENTIALS_DIRECTORY: %m");
                                 } else
                                         (void) unsetenv("CREDENTIALS_DIRECTORY");
 

src/resolve/resolvectl.c

@@ -1114,7 +1114,7 @@ static int verb_tlsa(int argc, char *argv[], uintptr_t _data, void *userdata) {
 
 static int varlink_dump_dns_configuration(sd_json_variant **ret) {
         _cleanup_(sd_varlink_unrefp) sd_varlink *vl = NULL;
-        _cleanup_(sd_json_variant_unrefp) sd_json_variant *reply = NULL;
+        sd_json_variant *reply = NULL;
         sd_json_variant *v;
         int r;
 
@@ -1133,7 +1133,6 @@ static int varlink_dump_dns_configuration(sd_json_variant **ret) {
         if (!sd_json_variant_is_array(v))
                 return log_error_errno(SYNTHETIC_ERRNO(ENODATA), "DumpDNSConfiguration() response missing 'configuration' key.");
 
-        TAKE_PTR(reply);
         *ret = sd_json_variant_ref(v);
         return 0;
 }