On Fri, Nov 24, 2017 at 2:36 AM, Reshetova, Elena <[email protected]> wrote: >> 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); >> >> ? > > Oh, yes, thanks for catching this! I think this got unnoticed so far and > patch was merged, so I am going to send a followup patch now.
I pushed this fix and will send to Linus next week: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git/commit/?h=dm-4.15&id=d908af82d06cc420f9581c97c6db941cb87e4434
