On Wed, Jan 16, 2019 at 06:14:49PM +0100, Anton Lindqvist wrote: > Comments? OK?
OK bluhm@ > Index: dev/kcov.c > =================================================================== > RCS file: /cvs/src/sys/dev/kcov.c,v > retrieving revision 1.9 > diff -u -p -r1.9 kcov.c > --- dev/kcov.c 3 Jan 2019 08:56:53 -0000 1.9 > +++ dev/kcov.c 14 Jan 2019 16:52:12 -0000 > @@ -209,7 +209,7 @@ kcovmmap(dev_t dev, off_t offset, int pr > vaddr_t va; > > kd = kd_lookup(minor(dev)); > - if (kd == NULL) > + if (kd == NULL || kd->kd_state != KCOV_STATE_READY) > return (paddr_t)(-1); > > if (offset < 0 || offset >= kd->kd_nmemb * sizeof(uintptr_t))
