CHUI-584 : Fixed : Viewer crash when clicking on view/sort options drop down in conversation floater:

Protection from a lack of the current selection. It need for the newly created floater, which still is not finished adding the first conversation item.

1 files changed, 6 insertions, 1 deletions

diff --git a/indra/newview/llfloaterimcontainer.cpp b/indra/newview/llfloaterimcontainer.cpp
index 5d41f46b3f..82bcd8efa4 100644
--- a/indra/newview/llfloaterimcontainer.cpp
+++ b/indra/newview/llfloaterimcontainer.cpp
@@ -916,7 +916,12 @@ void LLFloaterIMContainer::getParticipantUUIDs(uuid_vec_t& selected_uuids)
     //Find the conversation floater associated with the selected id
     const LLConversationItem * conversation_item = getCurSelectedViewModelItem();
 
-    if(conversationItem->getType() == LLConversationItem::CONV_PARTICIPANT)
+	if (NULL == conversation_item)
+	{
+		return;
+	}
+
+    if (conversation_item->getType() == LLConversationItem::CONV_PARTICIPANT)
     {
         getSelectedUUIDs(selected_uuids);
     }