Documentation update to ETS and drivers

State more clearly that ETS functions will throw badarg if calling
process lacks access right. And that driver stop callback should free
memory allocted by start.

1 files changed, 5 insertions, 2 deletions

diff --git a/erts/doc/src/driver.xml b/erts/doc/src/driver.xml
index 006a6160de..db455312ec 100644
--- a/erts/doc/src/driver.xml
+++ b/erts/doc/src/driver.xml
@@ -196,11 +196,14 @@ static ErlDrvData start(ErlDrvPort port, char *command)
     <p>We call disconnect to log out from the database.
       (This should have been done from Erlang, but just in case.)</p>
     <code type="none"><![CDATA[
- static int do_disconnect(our_data_t* data, ei_x_buff* x);
+static int do_disconnect(our_data_t* data, ei_x_buff* x);
 
 static void stop(ErlDrvData drv_data)
 {
-    do_disconnect((our_data_t*)drv_data, NULL);
+    our_data_t* data = (our_data_t*)drv_data;
+
+    do_disconnect(data, NULL);
+    driver_free(data);
 }
     ]]></code>
     <p>We use the binary format only to return data to the emulator;