Am Montag, 4. März 2002 10:47 schrieb Gerd Knorr:
> > > Comments? Bugs? I plan to feed this to Linus soon ...
> >
> > Hi,
> >
> > it seems to me that you are not holding the BKL during
> > the open method of the individual driver. This will
> > cause races with unplugging on some USB cameras.
>
> What race exactly?
open() can race with videodev_unregister()
> I don't want videodev.c know details about the devices, it doesn't
> belong there. If a usb cam needs locking, the usb cam's open() function
> should do that then. I'll prefare fixing the usb drivers instead of
> calling driver->open() with BKL held.
Problematic. I found no other solution than the BKL.
Regards
Oliver
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This archive was generated by hypermail 2b29 : Thu Mar 07 2002 - 21:00:35 EST