10096 kstat update routines shouldn't check for NULL kstat

*** 14073,14083 ****
          ill_t *ill;
          netstackid_t    stackid = (zoneid_t)(uintptr_t)kp->ks_private;
          netstack_t      *ns;
          ip_stack_t      *ipst;
  
!         if (kp == NULL || kp->ks_data == NULL)
                  return (EIO);
  
          if (rw == KSTAT_WRITE)
                  return (EACCES);
  
--- 14073,14083 ----
          ill_t *ill;
          netstackid_t    stackid = (zoneid_t)(uintptr_t)kp->ks_private;
          netstack_t      *ns;
          ip_stack_t      *ipst;
  
!         if (kp->ks_data == NULL)
                  return (EIO);
  
          if (rw == KSTAT_WRITE)
                  return (EACCES);
  
*** 14210,14220 ****
          icmp_named_kstat_t *icmpkp;
          netstackid_t    stackid = (zoneid_t)(uintptr_t)kp->ks_private;
          netstack_t      *ns;
          ip_stack_t      *ipst;
  
!         if ((kp == NULL) || (kp->ks_data == NULL))
                  return (EIO);
  
          if (rw == KSTAT_WRITE)
                  return (EACCES);
  
--- 14210,14220 ----
          icmp_named_kstat_t *icmpkp;
          netstackid_t    stackid = (zoneid_t)(uintptr_t)kp->ks_private;
          netstack_t      *ns;
          ip_stack_t      *ipst;
  
!         if (kp->ks_data == NULL)
                  return (EIO);
  
          if (rw == KSTAT_WRITE)
                  return (EACCES);