Treat the kernel's iso context handle as opaque item

Libraw1394 must not rely on the kernel always handing out the value 0
as handle of the (first) allocated isochronous I/O context.  For now
this assumption is true but it may not stay that way forever.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2 files changed