Am Samstag, 29. Mai 2004 09:21 schrieb Vojtech Pavlik:
> Hi!
>
> Here I have this patch ported from a 2.4 verison of a patch by guy at
> Dell ([EMAIL PROTECTED]), that uses the serialize semaphore in devio.c
> and in usb-storage.
>
> This is needed on storage devices, where even sending a harmless
> GET_DESCRIPTOR command at the wrong time will lead to a STALL condition,
> and make the device unusable.
>
> Because many a hotplug script does exactly that, it's rather easy to get
> a non-working device.
>
> I hope this use of the serialize semaphore is correct - at least it
> looks OK to me.
It seems to me that you should hold the semaphore until after the reset
of the error case. You are dropping it too early.
Regards
Oliver
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