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authorAndrew Tridgell <tridge@samba.org>2002-05-22 01:32:12 +0000
committerAndrew Tridgell <tridge@samba.org>2002-05-22 01:32:12 +0000
commitc33cf24bcd165b23addb0a38f915a92f8256ce9c (patch)
tree60b3ee0baf09ad190e9ca32fb86a5ad05b5fef5a /source3/tdb/tdb.c
parent3c1ff07fa414636dee1f67832c943028223ff703 (diff)
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auto-recover from the fairly common case of a non-clean tdb shutdown
while deleting a record. This leaves us with a non-free record on the free list. (This used to be commit e99b6a2b91e4022ce0a9a14415df71314b5e013f)
Diffstat (limited to 'source3/tdb/tdb.c')
-rw-r--r--source3/tdb/tdb.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/source3/tdb/tdb.c b/source3/tdb/tdb.c
index c937090de4..14e1d4a24f 100644
--- a/source3/tdb/tdb.c
+++ b/source3/tdb/tdb.c
@@ -412,6 +412,16 @@ static int rec_free_read(TDB_CONTEXT *tdb, tdb_off off, struct list_struct *rec)
{
if (tdb_read(tdb, off, rec, sizeof(*rec),DOCONV()) == -1)
return -1;
+
+ if (rec->magic == TDB_MAGIC) {
+ /* this happens when a app is showdown while deleting a record - we should
+ not completely fail when this happens */
+ TDB_LOG((tdb, 0,"rec_free_read non-free magic at offset=%d - fixing\n",
+ rec->magic, off));
+ rec->magic = TDB_FREE_MAGIC;
+ tdb_write(tdb, off, rec, sizeof(*rec));
+ }
+
if (rec->magic != TDB_FREE_MAGIC) {
TDB_LOG((tdb, 0,"rec_free_read bad magic 0x%x at offset=%d\n",
rec->magic, off));