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-rw-r--r--source4/lib/data_blob.c2
-rw-r--r--source4/lib/tdb/common/tdb.c11
2 files changed, 5 insertions, 8 deletions
diff --git a/source4/lib/data_blob.c b/source4/lib/data_blob.c
index 284db4518f..2ec21717b1 100644
--- a/source4/lib/data_blob.c
+++ b/source4/lib/data_blob.c
@@ -29,7 +29,7 @@ DATA_BLOB data_blob_named(const void *p, size_t length, const char *name)
{
DATA_BLOB ret;
- if (length == 0) {
+ if (p == NULL && length == 0) {
ZERO_STRUCT(ret);
return ret;
}
diff --git a/source4/lib/tdb/common/tdb.c b/source4/lib/tdb/common/tdb.c
index 6554ec5697..670fdda7cd 100644
--- a/source4/lib/tdb/common/tdb.c
+++ b/source4/lib/tdb/common/tdb.c
@@ -1129,8 +1129,8 @@ static int tdb_update_hash(TDB_CONTEXT *tdb, TDB_DATA key, u32 hash, TDB_DATA db
/* find an entry in the database given a key */
/* If an entry doesn't exist tdb_err will be set to
* TDB_ERR_NOEXIST. If a key has no data attached
- * tdb_err will not be set. Both will return a
- * zero pptr and zero dsize.
+ * then the TDB_DATA will have zero length but
+ * a non-zero pointer
*/
TDB_DATA tdb_fetch(TDB_CONTEXT *tdb, TDB_DATA key)
@@ -1145,11 +1145,8 @@ TDB_DATA tdb_fetch(TDB_CONTEXT *tdb, TDB_DATA key)
if (!(rec_ptr = tdb_find_lock_hash(tdb,key,hash,F_RDLCK,&rec)))
return tdb_null;
- if (rec.data_len)
- ret.dptr = tdb_alloc_read(tdb, rec_ptr + sizeof(rec) + rec.key_len,
- rec.data_len);
- else
- ret.dptr = NULL;
+ ret.dptr = tdb_alloc_read(tdb, rec_ptr + sizeof(rec) + rec.key_len,
+ rec.data_len);
ret.dsize = rec.data_len;
tdb_unlock(tdb, BUCKET(rec.full_hash), F_RDLCK);
return ret;