Author: ngie
Date: Wed Jun 8 17:30:29 2016
New Revision: 301655
URL: https://svnweb.freebsd.org/changeset/base/301655
Log:
MFC r299766:
Fix logically dead code pointed out by clang/Coverity
parse_context, parse_user_security: test for validity of results from
parse_ascii(..) with by casting to int32_t and comparing to -1; comparing
unsigned types to negative values will always be false.
CID: 1011432, 1011433
Modified:
stable/10/usr.sbin/bsnmpd/tools/libbsnmptools/bsnmptools.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/usr.sbin/bsnmpd/tools/libbsnmptools/bsnmptools.c
==============================================================================
--- stable/10/usr.sbin/bsnmpd/tools/libbsnmptools/bsnmptools.c Wed Jun 8
17:29:07 2016 (r301654)
+++ stable/10/usr.sbin/bsnmpd/tools/libbsnmptools/bsnmptools.c Wed Jun 8
17:30:29 2016 (r301655)
@@ -615,8 +615,8 @@ parse_context(struct snmp_toolinfo *snmp
warnx("Suboption 'context-engine' - no
argument");
return (-1);
}
- if ((snmp_client.clen = parse_ascii(val,
- snmp_client.cengine, SNMP_ENGINE_ID_SIZ)) < 0) {
+ if ((int32_t)(snmp_client.clen = parse_ascii(val,
+ snmp_client.cengine, SNMP_ENGINE_ID_SIZ)) == -1) {
warnx("Bad EngineID - %s", val);
return (-1);
}
@@ -654,7 +654,7 @@ parse_user_security(struct snmp_toolinfo
}
snmp_client.engine.engine_len = parse_ascii(val,
snmp_client.engine.engine_id, SNMP_ENGINE_ID_SIZ);
- if (snmp_client.engine.engine_len < 0) {
+ if ((int32_t)snmp_client.engine.engine_len == -1) {
warnx("Bad EngineID - %s", val);
return (-1);
}
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