[pfcwd]: delete pfcwd handler only when it exists (sonic-net#442)

Signed-off-by: Sihui Han <sihan@microsoft.com>
madhanmellanox · Feb 2, 2018 · 6b2a591 · 6b2a591
1 parent 4227bee
commit 6b2a591
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/orchagent/pfcwdorch.cpp b/orchagent/pfcwdorch.cpp
@@ -626,8 +626,11 @@ void PfcWdSwOrch<DropHandler, ForwardHandler>::doTask(swss::NotificationConsumer
     }
     else if (event == "restore")
     {
-        entry->second.handler->commitCounters();
-        entry->second.handler = nullptr;
+        if (entry->second.handler != nullptr)
+        {
+            entry->second.handler->commitCounters();
+            entry->second.handler = nullptr;
+        }
     }
     else
     {