Fix error in ProtectionModel_21Jan2015.js when closing key session (#…

…4253)
Dash-Industry-Forum · Aug 7, 2023 · 3bdcc2a · 3bdcc2a
1 parent dbfe4da
commit 3bdcc2a
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/streaming/protection/models/ProtectionModel_21Jan2015.js b/src/streaming/protection/models/ProtectionModel_21Jan2015.js
@@ -405,6 +405,10 @@ function ProtectionModel_21Jan2015(config) {
     function _closeKeySessionInternal(sessionToken) {
         const session = sessionToken.session;
 
+        if (!session) {
+            return
+        }
+
         // Remove event listeners
         session.removeEventListener('keystatuseschange', sessionToken);
         session.removeEventListener('message', sessionToken);