diff options
| -rw-r--r-- | sys/geom/geom_slice.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/geom/geom_slice.c b/sys/geom/geom_slice.c index 5bca219..2474143 100644 --- a/sys/geom/geom_slice.c +++ b/sys/geom/geom_slice.c @@ -230,7 +230,7 @@ g_slice_start(struct bio *bp) return; case BIO_GETATTR: /* Give the real method a chance to override */ - if (gsp->start(bp)) + if (gsp->start != NULL && gsp->start(bp)) return; if (!strcmp("GEOM::kerneldump", bp->bio_attribute)) { struct g_kerneldump *gkd; @@ -394,6 +394,9 @@ g_slice_conf_hot(struct g_geom *gp, u_int idx, off_t offset, off_t length, int r } gsl[idx].offset = offset; gsl[idx].length = length; + KASSERT(!((ract | dact | wact) & G_SLICE_HOT_START) + || gsp->start != NULL, ("G_SLICE_HOT_START but no slice->start")); + /* XXX: check that we _have_ a start function if HOT_START specified */ gsl[idx].ract = ract; gsl[idx].dact = dact; gsl[idx].wact = wact; |
