kernel-install: exit with option --json=help (#39974 )

In that case, `parse_json_argument()` returns 0. Follow-up for bdd36c003d9c4c4ca89c92be504615378f61513c (v255).
cryptsetup: downgrade dlopen not compiled message to debug
2026-03-28 17:54:51 +01:00 · 2025-12-03 01:56:01 +09:00 · 2025-12-02 16:52:24 +00:00
2 changed files with 2 additions and 2 deletions
--- a/src/kernel-install/kernel-install.c
+++ b/src/kernel-install/kernel-install.c
@ -1621,7 +1621,7 @@ static int parse_argv(int argc, char *argv[], Context *c) {

                case ARG_JSON:
                        r = parse_json_argument(optarg, &arg_json_format_flags);
-                        if (r < 0)
+                        if (r <= 0)
                                return r;
                        break;

--- a/src/shared/cryptsetup-util.c
+++ b/src/shared/cryptsetup-util.c
@ -298,7 +298,7 @@ int dlopen_cryptsetup(void) {

        return 1;
 #else
-        return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "cryptsetup support is not compiled in.");
+        return log_debug_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "cryptsetup support is not compiled in.");
 #endif
 }