--- a/dom/indexedDB/IDBObjectStore.cpp
+++ b/dom/indexedDB/IDBObjectStore.cpp
@@ -3931,24 +3931,21 @@ GetAllHelper::DoDatabaseWork(mozIStorage
       rv = mKeyRange->Upper().BindToStatement(stmt, upperKeyName);
       NS_ENSURE_SUCCESS(rv, rv);
     }
   }
 
   bool hasResult;
   while (NS_SUCCEEDED((rv = stmt->ExecuteStep(&hasResult))) && hasResult) {
     if (mCloneReadInfos.Capacity() == mCloneReadInfos.Length()) {
-      if (!mCloneReadInfos.SetCapacity(mCloneReadInfos.Capacity() * 2)) {
-        NS_ERROR("Out of memory!");
-        return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
-      }
+      mCloneReadInfos.SetCapacity(mCloneReadInfos.Capacity() * 2);
     }
 
     StructuredCloneReadInfo* readInfo = mCloneReadInfos.AppendElement();
-    NS_ASSERTION(readInfo, "Shouldn't fail if SetCapacity succeeded!");
+    NS_ASSERTION(readInfo, "Shouldn't fail since SetCapacity succeeded!");
 
     rv = IDBObjectStore::GetStructuredCloneReadInfoFromStatement(stmt, 0, 1,
       mDatabase, *readInfo);
     NS_ENSURE_SUCCESS(rv, rv);
   }
   NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
 
   return NS_OK;