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snmp: don't assert-fail on zero-length OID

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goldsimon
2016-06-09 11:47:15 +02:00
parent 952da88b84
commit 010b0e2972
1 changed files with 8 additions and 2 deletions
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10
src/apps/snmp/snmp_core.c
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@@ -488,7 +488,10 @@ snmp_get_mib_from_oid(const u32_t *oid, u8_t oid_len)
const struct snmp_mib* matched_mib = NULL; const struct snmp_mib* matched_mib = NULL;
LWIP_ASSERT("'oid' param must not be NULL!", (oid != NULL)); LWIP_ASSERT("'oid' param must not be NULL!", (oid != NULL));
LWIP_ASSERT("'oid_len' param must be greater than 0!", (oid_len > 0));
if (oid_len == 0) {
return NULL;
}
for (i=0; i<snmp_num_mibs; i++) for (i=0; i<snmp_num_mibs; i++)
{ {
@@ -531,7 +534,10 @@ snmp_get_next_mib(const u32_t *oid, u8_t oid_len)
const struct snmp_mib* next_mib = NULL; const struct snmp_mib* next_mib = NULL;
LWIP_ASSERT("'oid' param must not be NULL!", (oid != NULL)); LWIP_ASSERT("'oid' param must not be NULL!", (oid != NULL));
LWIP_ASSERT("'oid_len' param must be greater than 0!", (oid_len > 0));
if (oid_len == 0) {
return NULL;
}
for (i=0; i<snmp_num_mibs; i++) for (i=0; i<snmp_num_mibs; i++)
{ {