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SNMP: Found the correct cause of a memory leak

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This commit is contained in:
Dirk Ziegelmeier 2016-01-07 09:52:13 +01:00
parent e033866651
commit fbdfba2509
2 changed files with 20 additions and 10 deletions
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12
src/apps/snmp/snmp_msg.c
View File

@ -244,6 +244,12 @@ snmp_process_varbind(struct snmp_request *request, struct snmp_varbind *vb, u8_t
if (request->error_status == SNMP_ERR_NOERROR) {
/* use 'getnext_validate' method for validation to avoid code duplication (some checks have to be executed here) */
request->error_status = snmp_msg_getnext_validate_node_inst(&node_instance, request);
if (request->error_status != SNMP_ERR_NOERROR) {
if (node_instance.release_instance != NULL) {
node_instance.release_instance(&node_instance);
}
}
}
}
@ -280,10 +286,10 @@ snmp_process_varbind(struct snmp_request *request, struct snmp_varbind *vb, u8_t
} else if (err != ERR_OK) {
request->error_status = SNMP_ERR_GENERROR;
}
}
if (node_instance.release_instance != NULL) {
node_instance.release_instance(&node_instance);
if (node_instance.release_instance != NULL) {
node_instance.release_instance(&node_instance);
}
}
}

18
src/apps/snmp/snmp_threadsync.c
View File

@ -194,13 +194,17 @@ do_sync(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* ins
call_data->arg2.root_oid_len = root_oid_len;
call_synced_function(call_data, fn);
instance->access = call_data->proxy_instance.access;
instance->asn1_type = call_data->proxy_instance.asn1_type;
instance->release_instance = threadsync_release_instance;
instance->get_value = (call_data->proxy_instance.get_value != NULL)? threadsync_get_value : NULL;
instance->set_value = (call_data->proxy_instance.set_value != NULL)? threadsync_set_value : NULL;
instance->set_test = (call_data->proxy_instance.set_test != NULL)? threadsync_set_test : NULL;
snmp_oid_assign(&instance->instance_oid, call_data->proxy_instance.instance_oid.id, call_data->proxy_instance.instance_oid.len);
if(call_data->retval.u8 == SNMP_ERR_NOERROR) {
instance->access = call_data->proxy_instance.access;
instance->asn1_type = call_data->proxy_instance.asn1_type;
instance->release_instance = threadsync_release_instance;
instance->get_value = (call_data->proxy_instance.get_value != NULL)? threadsync_get_value : NULL;
instance->set_value = (call_data->proxy_instance.set_value != NULL)? threadsync_set_value : NULL;
instance->set_test = (call_data->proxy_instance.set_test != NULL)? threadsync_set_test : NULL;
snmp_oid_assign(&instance->instance_oid, call_data->proxy_instance.instance_oid.id, call_data->proxy_instance.instance_oid.len);
} else {
mem_free(call_data);
}
return call_data->retval.u8;
} else {