git.sur5r.net Git - openldap/blob - servers/slapd/back-bdb/delete.c

   1 /* delete.c - bdb backend delete routine */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2000-2004 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16
  17 #include "portable.h"
  18
  19 #include <stdio.h>
  20 #include <ac/string.h>
  21
  22 #include "back-bdb.h"
  23 #include "external.h"
  24
  25 int
  26 bdb_delete( Operation *op, SlapReply *rs )
  27 {
  28         struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
  29         Entry   *matched = NULL;
  30         struct berval   pdn = {0, NULL};
  31         Entry   *e = NULL;
  32         Entry   *p = NULL;
  33         EntryInfo       *ei = NULL, *eip = NULL;
  34         int             manageDSAit = get_manageDSAit( op );
  35         AttributeDescription *children = slap_schema.si_ad_children;
  36         AttributeDescription *entry = slap_schema.si_ad_entry;
  37         DB_TXN          *ltid = NULL, *lt2;
  38         struct bdb_op_info opinfo;
  39         ID      eid;
  40
  41         u_int32_t       locker = 0;
  42         DB_LOCK         lock, plock;
  43
  44         int             num_retries = 0;
  45
  46         Operation* ps_list;
  47         int     rc;
  48         EntryInfo   *suffix_ei;
  49         Entry       *ctxcsn_e;
  50         int         ctxcsn_added = 0;
  51
  52         LDAPControl **preread_ctrl = NULL;
  53         LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
  54         int num_ctrls = 0;
  55
  56         int     parent_is_glue = 0;
  57         int parent_is_leaf = 0;
  58
  59         ctrls[num_ctrls] = 0;
  60
  61         Debug( LDAP_DEBUG_ARGS, "==> bdb_delete: %s\n",
  62                 op->o_req_dn.bv_val, 0, 0 );
  63
  64         if( 0 ) {
  65 retry:  /* transaction retry */
  66                 if( e != NULL ) {
  67                         bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
  68                         e = NULL;
  69                 }
  70                 if( p != NULL ) {
  71                         bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
  72                         p = NULL;
  73                 }
  74                 Debug( LDAP_DEBUG_TRACE, "==> bdb_delete: retrying...\n",
  75                         0, 0, 0 );
  76                 rs->sr_err = TXN_ABORT( ltid );
  77                 ltid = NULL;
  78                 op->o_private = NULL;
  79                 op->o_do_not_cache = opinfo.boi_acl_cache;
  80                 if( rs->sr_err != 0 ) {
  81                         rs->sr_err = LDAP_OTHER;
  82                         rs->sr_text = "internal error";
  83                         goto return_results;
  84                 }
  85                 parent_is_glue = 0;
  86                 parent_is_leaf = 0;
  87                 ldap_pvt_thread_yield();
  88                 bdb_trans_backoff( ++num_retries );
  89         }
  90
  91         /* begin transaction */
  92         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid,
  93                 bdb->bi_db_opflags );
  94         rs->sr_text = NULL;
  95         if( rs->sr_err != 0 ) {
  96                 Debug( LDAP_DEBUG_TRACE,
  97                         "bdb_delete: txn_begin failed: %s (%d)\n",
  98                         db_strerror(rs->sr_err), rs->sr_err, 0 );
  99                 rs->sr_err = LDAP_OTHER;
 100                 rs->sr_text = "internal error";
 101                 goto return_results;
 102         }
 103
 104         locker = TXN_ID ( ltid );
 105
 106         opinfo.boi_bdb = op->o_bd;
 107         opinfo.boi_txn = ltid;
 108         opinfo.boi_locker = locker;
 109         opinfo.boi_err = 0;
 110         opinfo.boi_acl_cache = op->o_do_not_cache;
 111         op->o_private = &opinfo;
 112
 113         if ( !be_issuffix( op->o_bd, &op->o_req_ndn ) ) {
 114                 dnParent( &op->o_req_ndn, &pdn );
 115         }
 116
 117         /* get entry */
 118         rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
 119                 locker, &lock );
 120
 121         switch( rs->sr_err ) {
 122         case 0:
 123         case DB_NOTFOUND:
 124                 break;
 125         case DB_LOCK_DEADLOCK:
 126         case DB_LOCK_NOTGRANTED:
 127                 goto retry;
 128         case LDAP_BUSY:
 129                 rs->sr_text = "ldap server busy";
 130                 goto return_results;
 131         default:
 132                 rs->sr_err = LDAP_OTHER;
 133                 rs->sr_text = "internal error";
 134                 goto return_results;
 135         }
 136
 137         if ( rs->sr_err == 0 ) {
 138                 e = ei->bei_e;
 139                 eip = ei->bei_parent;
 140         } else {
 141                 matched = ei->bei_e;
 142         }
 143
 144         /* FIXME : dn2entry() should return non-glue entry */
 145         if ( e == NULL || ( !manageDSAit && is_entry_glue( e ))) {
 146                 BerVarray deref = NULL;
 147
 148                 Debug( LDAP_DEBUG_ARGS,
 149                         "<=- bdb_delete: no such object %s\n",
 150                         op->o_req_dn.bv_val, 0, 0);
 151
 152                 if ( matched != NULL ) {
 153                         rs->sr_matched = ch_strdup( matched->e_dn );
 154                         rs->sr_ref = is_entry_referral( matched )
 155                                 ? get_entry_referrals( op, matched )
 156                                 : NULL;
 157                         bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, matched);
 158                         matched = NULL;
 159
 160                 } else {
 161                         if ( !LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 162                                 syncinfo_t *si;
 163                                 LDAP_STAILQ_FOREACH( si, &op->o_bd->be_syncinfo, si_next ) {
 164                                         struct berval tmpbv;
 165                                         ber_dupbv( &tmpbv, &si->si_provideruri_bv[0] );
 166                                         ber_bvarray_add( &deref, &tmpbv );
 167                                 }
 168                         } else {
 169                                 deref = default_referral;
 170                         }
 171                         rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn,
 172                                         LDAP_SCOPE_DEFAULT );
 173                 }
 174
 175                 rs->sr_err = LDAP_REFERRAL;
 176                 send_ldap_result( op, rs );
 177
 178                 if ( rs->sr_ref != default_referral ) {
 179                         ber_bvarray_free( rs->sr_ref );
 180                 }
 181                 if ( deref != default_referral ) {
 182                         ber_bvarray_free( deref );
 183                 }
 184                 free( (char *)rs->sr_matched );
 185                 rs->sr_ref = NULL;
 186                 rs->sr_matched = NULL;
 187
 188                 rs->sr_err = -1;
 189                 goto done;
 190         }
 191
 192         rc = bdb_cache_find_id( op, ltid, eip->bei_id, &eip, 0, locker, &plock );
 193         switch( rc ) {
 194         case DB_LOCK_DEADLOCK:
 195         case DB_LOCK_NOTGRANTED:
 196                 goto retry;
 197         case 0:
 198         case DB_NOTFOUND:
 199                 break;
 200         default:
 201                 rs->sr_err = LDAP_OTHER;
 202                 rs->sr_text = "internal error";
 203                 goto return_results;
 204         }
 205         if ( eip ) p = eip->bei_e;
 206
 207         if ( pdn.bv_len != 0 ) {
 208                 if( p == NULL || !bvmatch( &pdn, &p->e_nname )) {
 209                         Debug( LDAP_DEBUG_TRACE,
 210                                 "<=- bdb_delete: parent does not exist\n",
 211                                 0, 0, 0);
 212                         rs->sr_err = LDAP_OTHER;
 213                         rs->sr_text = "could not locate parent of entry";
 214                         goto return_results;
 215                 }
 216
 217                 /* check parent for "children" acl */
 218                 rs->sr_err = access_allowed( op, p,
 219                         children, NULL, ACL_WRITE, NULL );
 220
 221                 if ( !rs->sr_err  ) {
 222                         switch( opinfo.boi_err ) {
 223                         case DB_LOCK_DEADLOCK:
 224                         case DB_LOCK_NOTGRANTED:
 225                                 goto retry;
 226                         }
 227
 228                         Debug( LDAP_DEBUG_TRACE,
 229                                 "<=- bdb_delete: no write access to parent\n",
 230                                 0, 0, 0 );
 231                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 232                         rs->sr_text = "no write access to parent";
 233                         goto return_results;
 234                 }
 235
 236         } else {
 237                 /* no parent, must be root to delete */
 238                 if( ! be_isroot( op ) ) {
 239                         if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
 240                                 || be_shadow_update( op ) ) {
 241                                 p = (Entry *)&slap_entry_root;
 242
 243                                 /* check parent for "children" acl */
 244                                 rs->sr_err = access_allowed( op, p,
 245                                         children, NULL, ACL_WRITE, NULL );
 246
 247                                 p = NULL;
 248
 249                                 if ( !rs->sr_err  ) {
 250                                         switch( opinfo.boi_err ) {
 251                                         case DB_LOCK_DEADLOCK:
 252                                         case DB_LOCK_NOTGRANTED:
 253                                                 goto retry;
 254                                         }
 255
 256                                         Debug( LDAP_DEBUG_TRACE,
 257                                                 "<=- bdb_delete: no access "
 258                                                 "to parent\n", 0, 0, 0 );
 259                                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 260                                         rs->sr_text = "no write access to parent";
 261                                         goto return_results;
 262                                 }
 263
 264                         } else {
 265                                 Debug( LDAP_DEBUG_TRACE,
 266                                         "<=- bdb_delete: no parent "
 267                                         "and not root\n", 0, 0, 0);
 268                                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 269                                 goto return_results;
 270                         }
 271                 }
 272         }
 273
 274         if ( get_assert( op ) &&
 275                 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
 276         {
 277                 rs->sr_err = LDAP_ASSERTION_FAILED;
 278                 goto return_results;
 279         }
 280
 281         rs->sr_err = access_allowed( op, e,
 282                 entry, NULL, ACL_WRITE, NULL );
 283
 284         if ( !rs->sr_err  ) {
 285                 switch( opinfo.boi_err ) {
 286                 case DB_LOCK_DEADLOCK:
 287                 case DB_LOCK_NOTGRANTED:
 288                         goto retry;
 289                 }
 290
 291                 Debug( LDAP_DEBUG_TRACE,
 292                         "<=- bdb_delete: no write access to entry\n",
 293                         0, 0, 0 );
 294                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 295                 rs->sr_text = "no write access to entry";
 296                 goto return_results;
 297         }
 298
 299         if ( !manageDSAit && is_entry_referral( e ) ) {
 300                 /* entry is a referral, don't allow delete */
 301                 rs->sr_ref = get_entry_referrals( op, e );
 302
 303                 Debug( LDAP_DEBUG_TRACE,
 304                         "bdb_delete: entry is referral\n", 0, 0, 0 );
 305
 306                 rs->sr_err = LDAP_REFERRAL;
 307                 rs->sr_matched = e->e_name.bv_val;
 308                 send_ldap_result( op, rs );
 309
 310                 ber_bvarray_free( rs->sr_ref );
 311                 rs->sr_ref = NULL;
 312                 rs->sr_matched = NULL;
 313
 314                 rs->sr_err = 1;
 315                 goto done;
 316         }
 317
 318         /* pre-read */
 319         if( op->o_preread ) {
 320                 if( preread_ctrl == NULL ) {
 321                         preread_ctrl = &ctrls[num_ctrls++];
 322                         ctrls[num_ctrls] = NULL;
 323                 }
 324                 if( slap_read_controls( op, rs, e,
 325                         &slap_pre_read_bv, preread_ctrl ) )
 326                 {
 327                         Debug( LDAP_DEBUG_TRACE,
 328                                 "<=- bdb_delete: pre-read failed!\n", 0, 0, 0 );
 329                         goto return_results;
 330                 }
 331         }
 332
 333         /* nested transaction */
 334         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2,
 335                 bdb->bi_db_opflags );
 336         rs->sr_text = NULL;
 337         if( rs->sr_err != 0 ) {
 338                 Debug( LDAP_DEBUG_TRACE,
 339                         "bdb_delete: txn_begin(2) failed: %s (%d)\n",
 340                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 341                 rs->sr_err = LDAP_OTHER;
 342                 rs->sr_text = "internal error";
 343                 goto return_results;
 344         }
 345
 346         /* Can't do it if we have kids */
 347         rs->sr_err = bdb_cache_children( op, lt2, e );
 348         if( rs->sr_err != DB_NOTFOUND ) {
 349                 switch( rs->sr_err ) {
 350                 case DB_LOCK_DEADLOCK:
 351                 case DB_LOCK_NOTGRANTED:
 352                         goto retry;
 353                 case 0:
 354                         Debug(LDAP_DEBUG_ARGS,
 355                                 "<=- bdb_delete: non-leaf %s\n",
 356                                 op->o_req_dn.bv_val, 0, 0);
 357                         rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
 358                         rs->sr_text = "subtree delete not supported";
 359                         break;
 360                 default:
 361                         Debug(LDAP_DEBUG_ARGS,
 362                                 "<=- bdb_delete: has_children failed: %s (%d)\n",
 363                                 db_strerror(rs->sr_err), rs->sr_err, 0 );
 364                         rs->sr_err = LDAP_OTHER;
 365                         rs->sr_text = "internal error";
 366                 }
 367                 goto return_results;
 368         }
 369
 370         ldap_pvt_thread_rdwr_wlock( &bdb->bi_pslist_rwlock );
 371         LDAP_LIST_FOREACH( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
 372                 rc = bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_PREDELETE );
 373                 if ( rc == LDAP_BUSY && op->o_ps_send_wait ) {
 374                         ldap_pvt_thread_rdwr_wunlock( &bdb->bi_pslist_rwlock );
 375                         goto retry;
 376                 } else if ( rc ) {
 377                         Debug( LDAP_DEBUG_TRACE,
 378                                 "bdb_delete: persistent search failed (%d,%d)\n",
 379                                 rc, rs->sr_err, 0 );
 380                 }
 381         }
 382         ldap_pvt_thread_rdwr_wunlock( &bdb->bi_pslist_rwlock );
 383
 384         /* delete from dn2id */
 385         rs->sr_err = bdb_dn2id_delete( op, lt2, eip, e );
 386         if ( rs->sr_err != 0 ) {
 387                 Debug(LDAP_DEBUG_TRACE,
 388                         "<=- bdb_delete: dn2id failed: %s (%d)\n",
 389                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 390                 switch( rs->sr_err ) {
 391                 case DB_LOCK_DEADLOCK:
 392                 case DB_LOCK_NOTGRANTED:
 393                         goto retry;
 394                 }
 395                 rs->sr_text = "DN index delete failed";
 396                 rs->sr_err = LDAP_OTHER;
 397                 goto return_results;
 398         }
 399
 400         /* delete from id2entry */
 401         rs->sr_err = bdb_id2entry_delete( op->o_bd, lt2, e );
 402         if ( rs->sr_err != 0 ) {
 403                 Debug(LDAP_DEBUG_TRACE,
 404                         "<=- bdb_delete: id2entry failed: %s (%d)\n",
 405                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 406                 switch( rs->sr_err ) {
 407                 case DB_LOCK_DEADLOCK:
 408                 case DB_LOCK_NOTGRANTED:
 409                         goto retry;
 410                 }
 411                 rs->sr_text = "entry delete failed";
 412                 rs->sr_err = LDAP_OTHER;
 413                 goto return_results;
 414         }
 415
 416         /* delete indices for old attributes */
 417         rs->sr_err = bdb_index_entry_del( op, lt2, e );
 418         if ( rs->sr_err != LDAP_SUCCESS ) {
 419                 Debug( LDAP_DEBUG_TRACE,
 420                         "<=- bdb_delete: index failed: %s (%d)\n",
 421                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 422                 switch( rs->sr_err ) {
 423                 case DB_LOCK_DEADLOCK:
 424                 case DB_LOCK_NOTGRANTED:
 425                         goto retry;
 426                 }
 427                 rs->sr_text = "entry index delete failed";
 428                 rs->sr_err = LDAP_OTHER;
 429                 goto return_results;
 430         }
 431
 432         if ( pdn.bv_len != 0 ) {
 433                 parent_is_glue = is_entry_glue(p);
 434                 rs->sr_err = bdb_cache_children( op, lt2, p );
 435                 if ( rs->sr_err != DB_NOTFOUND ) {
 436                         switch( rs->sr_err ) {
 437                         case DB_LOCK_DEADLOCK:
 438                         case DB_LOCK_NOTGRANTED:
 439                                 goto retry;
 440                         case 0:
 441                                 break;
 442                         default:
 443                                 Debug(LDAP_DEBUG_ARGS,
 444                                         "<=- bdb_delete: has_children failed: %s (%d)\n",
 445                                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 446                                 rs->sr_err = LDAP_OTHER;
 447                                 rs->sr_text = "internal error";
 448                                 goto return_results;
 449                         }
 450                         parent_is_leaf = 1;
 451                 }
 452                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 453                 p = NULL;
 454         }
 455
 456         if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
 457                 rs->sr_err = LDAP_OTHER;
 458                 rs->sr_text = "txn_commit(2) failed";
 459                 goto return_results;
 460         }
 461
 462         eid = e->e_id;
 463
 464 #if 0   /* Do we want to reclaim deleted IDs? */
 465         ldap_pvt_thread_mutex_lock( &bdb->bi_lastid_mutex );
 466         if ( e->e_id == bdb->bi_lastid ) {
 467                 bdb_last_id( op->o_bd, ltid );
 468         }
 469         ldap_pvt_thread_mutex_unlock( &bdb->bi_lastid_mutex );
 470 #endif
 471
 472         if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 473                 rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei,
 474                         &ctxcsn_e, &ctxcsn_added, locker );
 475                 switch ( rc ) {
 476                 case BDB_CSN_ABORT :
 477                         goto return_results;
 478                 case BDB_CSN_RETRY :
 479                         goto retry;
 480                 }
 481         }
 482
 483         if( op->o_noop ) {
 484                 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
 485                         rs->sr_text = "txn_abort (no-op) failed";
 486                 } else {
 487                         rs->sr_err = LDAP_NO_OPERATION;
 488                         goto return_results;
 489                 }
 490         } else {
 491                 rc = bdb_cache_delete( &bdb->bi_cache, e, bdb->bi_dbenv,
 492                         locker, &lock );
 493                 switch( rc ) {
 494                 case DB_LOCK_DEADLOCK:
 495                 case DB_LOCK_NOTGRANTED:
 496                         goto retry;
 497                 }
 498
 499                 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 500                         if ( ctxcsn_added ) {
 501                                 bdb_cache_add( bdb, suffix_ei,
 502                                         ctxcsn_e, (struct berval *)&slap_ldapsync_cn_bv, locker );
 503                         }
 504                 }
 505
 506                 if ( rs->sr_err == LDAP_SUCCESS && !op->o_no_psearch ) {
 507                         Attribute *a;
 508                         a = attr_find( e->e_attrs, slap_schema.si_ad_entryCSN );
 509                         if ( a ) {
 510                                 if( (void *) e->e_attrs != (void *) (e+1)) {
 511                                         attr_delete( &e->e_attrs, slap_schema.si_ad_entryCSN );
 512                                         attr_merge_normalize_one( e, slap_schema.si_ad_entryCSN,
 513                                         &op->o_sync_csn, NULL );
 514                                 } else {
 515                                         a->a_vals[0] = op->o_sync_csn;
 516                                 }
 517                         } else {
 518                                 /* Hm, the entryCSN ought to exist. ??? */
 519                         }
 520                         ldap_pvt_thread_rdwr_wlock( &bdb->bi_pslist_rwlock );
 521                         LDAP_LIST_FOREACH( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
 522                                 rc = bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_DELETE );
 523                                 if ( rc ) {
 524                                         Debug( LDAP_DEBUG_TRACE,
 525                                                 "bdb_delete: persistent search failed (%d,%d)\n",
 526                                                 rc, rs->sr_err, 0 );
 527                                 }
 528                         }
 529                         ldap_pvt_thread_rdwr_wunlock( &bdb->bi_pslist_rwlock );
 530                 }
 531
 532                 rs->sr_err = TXN_COMMIT( ltid, 0 );
 533         }
 534         ltid = NULL;
 535         op->o_private = NULL;
 536
 537         if( rs->sr_err != 0 ) {
 538                 Debug( LDAP_DEBUG_TRACE,
 539                         "bdb_delete: txn_%s failed: %s (%d)\n",
 540                         op->o_noop ? "abort (no-op)" : "commit",
 541                         db_strerror(rs->sr_err), rs->sr_err );
 542                 rs->sr_err = LDAP_OTHER;
 543                 rs->sr_text = "commit failed";
 544
 545                 goto return_results;
 546         }
 547
 548         Debug( LDAP_DEBUG_TRACE,
 549                 "bdb_delete: deleted%s id=%08lx dn=\"%s\"\n",
 550                 op->o_noop ? " (no-op)" : "",
 551                 eid, op->o_req_dn.bv_val );
 552         rs->sr_err = LDAP_SUCCESS;
 553         rs->sr_text = NULL;
 554         if( num_ctrls ) rs->sr_ctrls = ctrls;
 555
 556 return_results:
 557         send_ldap_result( op, rs );
 558
 559         if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
 560                 ldap_pvt_thread_yield();
 561                 TXN_CHECKPOINT( bdb->bi_dbenv,
 562                         bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 563         }
 564
 565         if ( rs->sr_err == LDAP_SUCCESS && parent_is_glue && parent_is_leaf ) {
 566                 op->o_delete_glue_parent = 1;
 567         }
 568
 569 done:
 570         if ( p )
 571                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 572
 573         /* free entry */
 574         if( e != NULL ) {
 575                 if ( rs->sr_err == LDAP_SUCCESS ) {
 576                         /* Free the EntryInfo and the Entry */
 577                         bdb_cache_delete_cleanup( &bdb->bi_cache, BEI(e) );
 578                 } else {
 579                         bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
 580                 }
 581         }
 582
 583         if( ltid != NULL ) {
 584                 TXN_ABORT( ltid );
 585                 op->o_private = NULL;
 586         }
 587
 588         if( preread_ctrl != NULL ) {
 589                 slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, &op->o_tmpmemctx );
 590                 slap_sl_free( *preread_ctrl, &op->o_tmpmemctx );
 591         }
 592         return rs->sr_err;
 593 }