On Fri, Oct 20, 2017 at 10:37:38AM +0300, Elena Reshetova wrote: > } else if (dd->dm_dev->mode != (mode | dd->dm_dev->mode)) { > r = upgrade_mode(dd, mode, t->md); > if (r) > return r; > + refcount_inc(&dd->count); > } Missing here: else refcount_inc(&dd->count); ? Alasdair -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel