Author: ngie
Date: Sat Dec 31 12:37:53 2016
New Revision: 310960
URL: https://svnweb.freebsd.org/changeset/base/310960
Log:
Similar to r310954, set .len to 0 on malloc failure and to `len` only
on success
MFC after: 1 week
Modified:
head/contrib/bsnmp/snmpd/export.c
Modified: head/contrib/bsnmp/snmpd/export.c
==============================================================================
--- head/contrib/bsnmp/snmpd/export.c Sat Dec 31 12:32:50 2016
(r310959)
+++ head/contrib/bsnmp/snmpd/export.c Sat Dec 31 12:37:53 2016
(r310960)
@@ -114,9 +114,11 @@ string_get(struct snmp_value *value, con
}
if (len == -1)
len = strlen(ptr);
- value->v.octetstring.len = (u_long)len;
- if ((value->v.octetstring.octets = malloc((size_t)len)) == NULL)
+ if ((value->v.octetstring.octets = malloc((size_t)len)) == NULL) {
+ value->v.octetstring.len = 0;
return (SNMP_ERR_RES_UNAVAIL);
+ }
+ value->v.octetstring.len = (u_long)len;
memcpy(value->v.octetstring.octets, ptr, (size_t)len);
return (SNMP_ERR_NOERROR);
}
@@ -138,9 +140,11 @@ string_get_max(struct snmp_value *value,
len = strlen(ptr);
if ((size_t)len > maxlen)
len = maxlen;
- value->v.octetstring.len = (u_long)len;
- if ((value->v.octetstring.octets = malloc((size_t)len)) == NULL)
+ if ((value->v.octetstring.octets = malloc((size_t)len)) == NULL) {
+ value->v.octetstring.len = 0;
return (SNMP_ERR_RES_UNAVAIL);
+ }
+ value->v.octetstring.len = (u_long)len;
memcpy(value->v.octetstring.octets, ptr, (size_t)len);
return (SNMP_ERR_NOERROR);
}
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