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SubjectRe: Updated Linux 2.4 issues page
On Mon, Aug 21, 2000 at 03:53:27PM -0700, Greg KH wrote:

> > o usbpl_{read,write}(): on UP concurrent read/write
> > operations could corrupt the urb structures if
> > copy_to_user sleeps, on SMP it's worse.
>
> Again, what does this refer to? What functions, and in what files? There
> is no usbpl_ functions and I can't find any past references to them.
> Does anyone know what this means?
>
> If not, I guess it isn't a problem :)

Sounds like it could be usblp_{read,write}, in printer.c. The thing I
don't see, how the corruption could happen there - both write and read
use separate URBs.

--
Vojtech Pavlik
SuSE Labs
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