This patches fixes the return code from cciss_ioctl.  Without this some
block layer (BLK*) ioctls do not work.

Thanks to Jens Axboe for pointing this out.
Signed-off-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>