for -> do while

Author: backslashxx

kernel/throne_tracker.c

@@ -184,12 +184,18 @@ FILLDIR_RETURN_TYPE user_de_actor(MY_ACTOR_CTX_ARG, const char *name,
     if (strncmp(name, ".", namelen) == 0 || strncmp(name, "..", namelen) == 0)
         return FILLDIR_ACTOR_CONTINUE;
 
-    uid_t uid = 0;
-    for (int i = 0; i < namelen; i++) {
-        if (name[i] < '0' || name[i] > '9')
-            return FILLDIR_ACTOR_CONTINUE;
-        uid = uid * 10 + (name[i] - '0');
-    }
+	// oops!
+	if (namelen == 0)
+		return FILLDIR_ACTOR_CONTINUE;
+
+	uid_t uid = 0;
+	int i = 0;
+	do {
+	if (name[i] < '0' || name[i] > '9')
+		return FILLDIR_ACTOR_CONTINUE;
+	uid = uid * 10 + (name[i] - '0');
+        i++;
+	} while (i < namelen);
 
     if (data->count >= data->max_users)
         return FILLDIR_ACTOR_STOP;
@@ -385,8 +391,13 @@ int scan_user_data_for_uids(struct list_head *uid_list)
 		return -ENOENT;
 	}
 
+	// probably wont happen
+	if (active_users == 0)
+		return 0;
+
 	// Scan each user's data directory
-	for (size_t i = 0; i < active_users; i++) {
+	size_t i = 0;
+	do {
 		uid_t user_id = user_ids[i];
 		size_t packages_found = 0;
 		size_t errors_count = 0;
@@ -401,7 +412,8 @@ int scan_user_data_for_uids(struct list_head *uid_list)
 
 		total_packages += packages_found;
 		total_errors += errors_count;
-	}
+		i++;
+	} while ( i < active_users);
 
 	if (total_errors > 0) {
 		pr_warn("UserDE UID: Encountered %zu errors while scanning user data directories\n",