Am 09.05.2016 um 14:43 hat Stefan Hajnoczi geschrieben: > On Fri, Apr 22, 2016 at 07:42:34PM +0200, Kevin Wolf wrote: > > @@ -1527,7 +1525,7 @@ static int bdrv_open_inherit(BlockDriverState **pbs, const char *filename, > > return -ENODEV; > > } > > > > - if (bs->throttle_state) { > > + if (blk_get_public(bs->blk)->throttle_state) { > > The reference argument can be any nodename. How can you be sure bs->blk > != NULL? Good catch, this should check bs->blk != NULL first. This check goes away later in series, but I'll fix it anyway. Kevin