s4-loadparm: fixed a memory leak in handle_realm()

we need to free the lowercase and uppercase varients

diff --git a/source4/param/loadparm.c b/source4/param/loadparm.c
index 09d4f394d387e5e7c97e3bae7769ded63c12c62e..e7caf66004bff9de5f2d22156e033a42f2cfb2ab 100644 (file)
--- a/source4/param/loadparm.c
+++ b/source4/param/loadparm.c
@@ -1458,6 +1458,9 @@ static bool handle_realm(struct loadparm_context *lp_ctx,
 {
        string_set(lp_ctx, ptr, pszParmValue);
 
+       talloc_free(lp_ctx->globals->szRealm_upper);
+       talloc_free(lp_ctx->globals->szRealm_lower);
+
        lp_ctx->globals->szRealm_upper = strupper_talloc(lp_ctx, pszParmValue);
        lp_ctx->globals->szRealm_lower = strlower_talloc(lp_ctx, pszParmValue);