apps: Remove the code again that clears netsnmp_session objects

Removing this code is safe now that _sess_copy() duplicates all memory that
is freed by netsnmp_cleanup_session().

Author: bvanassche

apps/snmpbulkget.c

@@ -247,7 +247,6 @@ main(int argc, char *argv[])
         snmp_free_pdu(response);
 
     snmp_close(ss);
-    memset(&session, 0, sizeof(session));
 
 out:
     netsnmp_cleanup_session(&session);

apps/snmpbulkwalk.c

@@ -378,7 +378,6 @@ main(int argc, char *argv[])
         snmp_get_and_print(ss, root, rootlen);
     }
     snmp_close(ss);
-    memset(&session, 0, sizeof(session));
 
     if (netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, 
 			       NETSNMP_DS_WALK_PRINT_STATISTICS)) {

apps/snmpdelta.c

@@ -746,7 +746,6 @@ main(int argc, char *argv[])
 
 close_session:
     snmp_close(ss);
-    memset(&session, 0, sizeof(session));
 
 out:
     netsnmp_cleanup_session(&session);

apps/snmpdf.c

@@ -464,7 +464,6 @@ main(int argc, char *argv[])
 
 close_session:
     snmp_close(ss);
-    memset(&session, 0, sizeof(session));
 
 out:
     netsnmp_cleanup_session(&session);

apps/snmpget.c

@@ -249,7 +249,6 @@ main(int argc, char *argv[])
 
 close_session:
     snmp_close(ss);
-    memset(&session, 0, sizeof(session));
 
 out:
     netsnmp_cleanup_session(&session);

apps/snmpgetnext.c

@@ -232,7 +232,6 @@ main(int argc, char *argv[])
 
 close_session:
     snmp_close(ss);
-    memset(&session, 0, sizeof(session));
 
 out:
     netsnmp_cleanup_session(&session);

apps/snmpset.c

@@ -281,7 +281,6 @@ main(int argc, char *argv[])
 
 close_session:
     snmp_close(ss);
-    memset(&session, 0, sizeof(session));
 
 out:
     netsnmp_cleanup_session(&session);

apps/snmpstatus.c

@@ -393,7 +393,6 @@ main(int argc, char *argv[])
     }
 
     snmp_close(ss);
-    memset(&session, 0, sizeof(session));
 
 out:
     netsnmp_cleanup_session(&session);

apps/snmptable.c

@@ -361,7 +361,6 @@ main(int argc, char *argv[])
 
 close_session:
     snmp_close(ss);
-    memset(&session, 0, sizeof(session));
 
 out:
     netsnmp_cleanup_session(&session);

apps/snmptrap.c

@@ -378,7 +378,6 @@ main(int argc, char *argv[])
 
 close_session:
     snmp_close(ss);
-    memset(&session, 0, sizeof(session));
     snmp_shutdown(NETSNMP_APPLICATION_CONFIG_TYPE);
 
 out:

apps/snmpusm.c

@@ -1047,7 +1047,6 @@ main(int argc, char *argv[])
 
 close_session:
     snmp_close(ss);
-    memset(&session, 0, sizeof(session));
 
 out:
     netsnmp_cleanup_session(&session);

apps/snmpvacm.c

@@ -706,7 +706,6 @@ main(int argc, char *argv[])
 
 close_session:
     snmp_close(ss);
-    memset(&session, 0, sizeof(session));
 
 out:
     netsnmp_cleanup_session(&session);

apps/snmpwalk.c

@@ -417,7 +417,6 @@ main(int argc, char *argv[])
         }
     }
     snmp_close(ss);
-    memset(&session, 0, sizeof(session));
 
     if (netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
                                NETSNMP_DS_WALK_PRINT_STATISTICS)) {