Improve comments in check_private_dir and onion poisoning

Comment changes only

1 files changed, 6 insertions, 2 deletions

diff --git a/src/or/rendservice.c b/src/or/rendservice.c
index 6743d825b5..7dbcf718f7 100644
--- a/src/or/rendservice.c
+++ b/src/or/rendservice.c
@@ -998,7 +998,9 @@ service_is_single_onion_poisoned(const rend_service_t *service)
   fstatus = file_status(poison_fname);
   tor_free(poison_fname);
 
-  /* If this fname is occupied, the hidden service has been poisoned. */
+  /* If this fname is occupied, the hidden service has been poisoned.
+   * fstatus can be FN_ERROR if the service directory does not exist, in that
+   * case, there is obviously no private key. */
   if (fstatus == FN_FILE || fstatus == FN_EMPTY) {
     return 1;
   }
@@ -1014,7 +1016,9 @@ rend_service_private_key_exists(const rend_service_t *service)
   char *private_key_path = rend_service_path(service, private_key_fname);
   const file_status_t private_key_status = file_status(private_key_path);
   tor_free(private_key_path);
-  /* Only non-empty regular private key files could have been used before. */
+  /* Only non-empty regular private key files could have been used before.
+   * fstatus can be FN_ERROR if the service directory does not exist, in that
+   * case, there is obviously no private key. */
   return private_key_status == FN_FILE;
 }