snmp plugin: plug leak in error path.

Partial back port of #1368.

Signed-off-by: Florian Forster <octo@collectd.org>

diff --git a/src/snmp.c b/src/snmp.c
index acbdca0..6ecdfaf 100644 (file)
--- a/src/snmp.c
+++ b/src/snmp.c
@@ -1551,6 +1551,7 @@ static int csnmp_read_value (host_definition_t *host, data_definition_t *data)
     res = NULL;
 
     sfree (errstr);
+    sfree (vl.values);
     csnmp_host_close_session (host);
 
     return (-1);