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snmp_discover_engine: fix up req/resp (PDU object) handling a bit

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- Call snmp_pdu_free on req and resp when done with the objects
- Call snmp_pdu_free on req before calling snmp_pdu_create on it
  again

MFC after:	1 week
This commit is contained in:
Enji Cooper 2016-12-31 23:20:57 +00:00
parent 86b3c16952
commit 1cc49661ec
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=310988
1 changed files with 6 additions and 1 deletions
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7
contrib/bsnmp/lib/snmpclient.c
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@ -1793,12 +1793,14 @@ snmp_discover_engine(char *passwd)
return (0);
}
snmp_pdu_free(&req);
snmp_pdu_create(&req, SNMP_PDU_GET);
req.engine.engine_boots = 0;
req.engine.engine_time = 0;
if (snmp_dialog(&req, &resp) == -1)
return (-1);
return (-1);
if (resp.version != req.version) {
seterr(&snmp_client, "wrong version");
@ -1813,6 +1815,9 @@ snmp_discover_engine(char *passwd)
snmp_client.engine.engine_boots = resp.engine.engine_boots;
snmp_client.engine.engine_time = resp.engine.engine_time;
snmp_pdu_free(&req);
snmp_pdu_free(&resp);
return (0);
}