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mdbx: backport - ITS#8424 init cursor in mdb_env_cwalk.

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Change-Id: I979b6f492c56d1c61ce233727ff058df48f327d1
This commit is contained in:
Howard Chu 2016-05-15 00:44:54 +01:00 committed by Leo Yuriev
parent e84b420227
commit 856f30b52c
1 changed files with 2 additions and 3 deletions
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5
mdb.c
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@ -9187,7 +9187,7 @@ mdb_env_cthr_toggle(mdb_copy *my, int st)
static int __cold static int __cold
mdb_env_cwalk(mdb_copy *my, pgno_t *pg, int flags) mdb_env_cwalk(mdb_copy *my, pgno_t *pg, int flags)
{ {
MDB_cursor mc; MDB_cursor mc = {0};
MDB_txn *txn = my->mc_txn; MDB_txn *txn = my->mc_txn;
MDB_node *ni; MDB_node *ni;
MDB_page *mo, *mp, *leaf; MDB_page *mo, *mp, *leaf;
@ -9200,10 +9200,9 @@ mdb_env_cwalk(mdb_copy *my, pgno_t *pg, int flags)
return MDB_SUCCESS; return MDB_SUCCESS;
mc.mc_snum = 1; mc.mc_snum = 1;
mc.mc_top = 0;
mc.mc_txn = txn; mc.mc_txn = txn;
rc = mdb_page_get(my->mc_txn, *pg, &mc.mc_pg[0], NULL); rc = mdb_page_get(txn, *pg, &mc.mc_pg[0], NULL);
if (rc) if (rc)
return rc; return rc;
rc = mdb_page_search_root(&mc, NULL, MDB_PS_FIRST); rc = mdb_page_search_root(&mc, NULL, MDB_PS_FIRST);