On Mon, Dec 14, 2015 at 10:39:11AM +0000, Wang Nan wrote: SNIP
> @@ -137,12 +138,15 @@ void machine__exit(struct machine *machine) > void machine__delete(struct machine *machine) > { > machine__exit(machine); > - free(machine); > + if (machine->allocated) > + free(machine); > + else > + pr_warning("WARNING: delete a non-allocated machine. Skip.\n"); we used WARN_ONCE several times already in similar cases jirka -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/