machine: add a comment to clarify that root_directory is informational only

To avoid any possible mistakes in the future, add a comment in the
object declaration

(cherry picked from commit 8324f9351c5d22fa49fa59d1ec3f71afa9408143)

diff --git a/src/machine/machine.h b/src/machine/machine.h
index bf265143f03be37abc0ac2a9455a5e04cb2eff5a..0dd923fc0565baf6f433b4fb689a3afd2742e16c 100644 (file)
--- a/src/machine/machine.h
+++ b/src/machine/machine.h
@@ -43,6 +43,8 @@ struct Machine {
 
         char *state_file;
         char *service;
+        /* Note that the root directory is accepted as-is from the caller, including unprivileged users, so
+         * do not use it for anything but informational purposes. */
         char *root_directory;
 
         char *unit;