possible bug, also consistency

src/main.c

@@ -182,11 +182,10 @@ int main(void) {
 	/* malloc memory for the struct */
 	struct sensors_t *sensors = malloc(sizeof(*sensors)); // no actual point in mallocing and it is ever so sligtly slower to access heap vs stack, but its cool
 	if (sensors == NULL) {
-		applog(LOG_ERR, "can't allocate mem for the sensor struct. You don't got %lu bytes bro?", sizeof(struct sensors_t));
-		free(sensors);
+		applog(LOG_ERR, "can't allocate mem for the sensor struct. You don't got %lu bytes bro?", sizeof(*sensors));
 		return 1;
 	}
-	applog(LOG_INF, "sensor struct allocated, size is %lu bytes", sizeof(struct sensors_t));
+	applog(LOG_INF, "sensor struct allocated, size is %lu bytes", sizeof(*sensors));
 
 	/* signal setup */
 	sigset_t sigset;