11416 smbios_info_slot_peers() gets NULL check wrong

*** 19,29 ****
   * CDDL HEADER END
   */
  
  /*
   * Copyright 2015 OmniTI Computer Consulting, Inc.  All rights reserved.
!  * Copyright (c) 2018, Joyent, Inc.
   * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*
--- 19,29 ----
   * CDDL HEADER END
   */
  
  /*
   * Copyright 2015 OmniTI Computer Consulting, Inc.  All rights reserved.
!  * Copyright 2019 Joyent, Inc.
   * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*
*** 696,713 ****
  int
  smbios_info_slot_peers(smbios_hdl_t *shp, id_t id, uint_t *npeers,
      smbios_slot_peer_t **peerp)
  {
          const smb_struct_t *stp = smb_lookup_id(shp, id);
!         const smb_slot_t *slotp = (const smb_slot_t *)stp->smbst_hdr;
          smbios_slot_peer_t *peer;
          size_t minlen;
          uint_t i;
  
          if (stp == NULL)
                  return (-1); /* errno is set for us */
  
          if (stp->smbst_hdr->smbh_type != SMB_TYPE_SLOT)
                  return (smb_set_errno(shp, ESMB_TYPE));
  
          if (stp->smbst_hdr->smbh_len <= offsetof(smb_slot_t, smbsl_npeers) ||
              slotp->smbsl_npeers == 0) {
--- 696,715 ----
  int
  smbios_info_slot_peers(smbios_hdl_t *shp, id_t id, uint_t *npeers,
      smbios_slot_peer_t **peerp)
  {
          const smb_struct_t *stp = smb_lookup_id(shp, id);
!         const smb_slot_t *slotp;
          smbios_slot_peer_t *peer;
          size_t minlen;
          uint_t i;
  
          if (stp == NULL)
                  return (-1); /* errno is set for us */
  
+         slotp = (const smb_slot_t *)stp->smbst_hdr;
+ 
          if (stp->smbst_hdr->smbh_type != SMB_TYPE_SLOT)
                  return (smb_set_errno(shp, ESMB_TYPE));
  
          if (stp->smbst_hdr->smbh_len <= offsetof(smb_slot_t, smbsl_npeers) ||
              slotp->smbsl_npeers == 0) {