Author: trasz
Date: Mon Oct 19 20:26:37 2020
New Revision: 366855
URL: https://svnweb.freebsd.org/changeset/base/366855

Log:
  Fix fallout from r366811.
  
  PR:           250442
  Reported by:  lwhsu
  Reviewed by:  mav
  MFC after:    2 weeks
  Sponsored by: NetApp, Inc.
  Sponsored by: Klara, Inc.
  Differential Revision:        https://reviews.freebsd.org/D26855

Modified:
  head/sys/geom/geom_dev.c
  head/sys/geom/uzip/g_uzip.c

Modified: head/sys/geom/geom_dev.c
==============================================================================
--- head/sys/geom/geom_dev.c    Mon Oct 19 20:08:50 2020        (r366854)
+++ head/sys/geom/geom_dev.c    Mon Oct 19 20:26:37 2020        (r366855)
@@ -346,9 +346,15 @@ g_dev_taste(struct g_class *mp, struct g_provider *pp,
        cp->private = sc;
        cp->flags |= G_CF_DIRECT_SEND | G_CF_DIRECT_RECEIVE;
        error = g_attach(cp, pp);
-       KASSERT(error == 0 || error == ENXIO,
-           ("g_dev_taste(%s) failed to g_attach, err=%d", pp->name, error));
-
+       if (error != 0) {
+               printf("%s: g_dev_taste(%s) failed to g_attach, error=%d\n",
+                   __func__, pp->name, error);
+               g_destroy_consumer(cp);
+               g_destroy_geom(gp);
+               mtx_destroy(&sc->sc_mtx);
+               g_free(sc);
+               return (NULL);
+       }
        make_dev_args_init(&args);
        args.mda_flags = MAKEDEV_CHECKNAME | MAKEDEV_WAITOK;
        args.mda_devsw = &g_dev_cdevsw;

Modified: head/sys/geom/uzip/g_uzip.c
==============================================================================
--- head/sys/geom/uzip/g_uzip.c Mon Oct 19 20:08:50 2020        (r366854)
+++ head/sys/geom/uzip/g_uzip.c Mon Oct 19 20:26:37 2020        (r366855)
@@ -707,11 +707,11 @@ g_uzip_taste(struct g_class *mp, struct g_provider *pp
        gp = g_new_geomf(mp, GUZ_DEV_NAME("%s"), pp->name);
        cp = g_new_consumer(gp);
        error = g_attach(cp, pp);
-       if (error == 0)
-               error = g_access(cp, 1, 0, 0);
-       if (error) {
+       if (error != 0)
+               goto e0;
+       error = g_access(cp, 1, 0, 0);
+       if (error)
                goto e1;
-       }
        g_topology_unlock();
 
        /*
@@ -942,6 +942,7 @@ e2:
        g_access(cp, -1, 0, 0);
 e1:
        g_detach(cp);
+e0:
        g_destroy_consumer(cp);
        g_destroy_geom(gp);
 
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