Re: [PATCH 4/7] usbnet: remove EVENT_DEV_OPEN flag

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Jun 13, 2012 at 2:14 AM, Oliver Neukum <oliver@xxxxxxxxxx> wrote:
> Am Dienstag, 12. Juni 2012, 03:19:42 schrieb Ming Lei:
>> EVENT_DEV_OPEN is introduced to mark if the interface is opened or
>> not, but we already have IFF_UP to handle it, so just
>> remove the flag and use IFF_UP.
>
> When is IFF_UP cleared? The flag is tested in usbnet_resume(),

The flag is cleared just after usbnet_stop completes.

> so it must be cleared before usbnet_stop() is called.

Yes, I see, otherwise system or runtime resume may happen
at the same time with usbnet_stop.

Thanking you for point it out.

Thanks,
-- 
Ming Lei
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux