On Mon, May 22, 2017 at 08:51:20PM +0200, Martin Wilck wrote: > > > > - if (!error) > > - return 0; /* I/O complete */ > > + BUG_ON(!mpio); > > You dereferenced mpio already above. Indeed. I removed the BUG_ON for the next version. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel