On 12/22/2015 02:05 PM, Tomas Winkler wrote:
> Do you see a situation where holding the lock between calls into the driver > might be a problem ? I don't think u are holding the lock now in watchdog_unregister when WDOG_UNREGISTERED was dropped.
the lock is held while clearing the pointers: mutex_lock(&wd_data->lock); wd_data->wdd = NULL; wdd->wd_data = NULL; mutex_unlock(&wd_data->lock); Guenter -- 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/