radius: fix incorrect 'out of memory' message

accel-pppd/radius/acct.c

@@ -232,10 +232,8 @@ int rad_acct_start(struct radius_pd_t *rpd)
 		return 0;
 
 	rpd->acct_req = rad_req_alloc(rpd, CODE_ACCOUNTING_REQUEST, rpd->ppp->username);
-	if (!rpd->acct_req) {
-		log_emerg("radius: out of memory\n");
+	if (!rpd->acct_req)
 		return -1;
-	}
 
 	if (rad_req_acct_fill(rpd->acct_req)) {
 		log_ppp_error("radius:acct: failed to fill accounting attributes\n");

accel-pppd/radius/req.c

@@ -24,8 +24,10 @@ struct rad_req_t *rad_req_alloc(struct radius_pd_t *rpd, int code, const char *u
 	struct rad_plugin_t *plugin;
 	struct rad_req_t *req = _malloc(sizeof(*req));
 
-	if (!req)
+	if (!req) {
+		log_emerg("radius: out of memory\n");
 		return NULL;
+	}
 
 	memset(req, 0, sizeof(*req));
 	req->rpd = rpd;
@@ -97,6 +99,10 @@ struct rad_req_t *rad_req_alloc(struct radius_pd_t *rpd, int code, const char *u
 	return req;
 
 out_err:
+	if (!req->serv)
+		log_ppp_error("radius: no servers available\n");
+	else
+		log_emerg("radius: out of memory\n");
 	rad_req_free(req);
 	return NULL;
 }