This patch fixes the virtual cdrom driver to not share a single request
queue.  Sharing the queue causes an oops if you remove the module and more
than one cdrom exists.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>