FIX: handle nil topic value when removing allowed users

2018-11-20 22:54:39 +05:30 · 2018-11-20 22:54:39 +05:30 · 5951e111ad
parent 92100f82eb
commit 5951e111ad
1 changed files with 1 additions and 1 deletions
--- a/app/controllers/topics_controller.rb
+++ b/app/controllers/topics_controller.rb
@ -503,7 +503,7 @@ class TopicsController < ApplicationController
    user = User.find_by(username: params[:username])
    guardian.ensure_can_remove_allowed_users!(topic, user)

-    if topic.remove_allowed_user(current_user, user)
+    if topic&.remove_allowed_user(current_user, user)
      render json: success_json
    else
      render json: failed_json, status: 422