r19146: merge from samba3:

talloc_reference() can fail

metze
(This used to be commit 542cd5d029e97c2e0c7c006a1ced12114c1bb6da)

diff --git a/source4/lib/ldb/ldb_tdb/ldb_tdb_wrap.c b/source4/lib/ldb/ldb_tdb/ldb_tdb_wrap.c
index b28bf7745077c63e496ca39bc43ec46c07bfb984..c9eac013fcf0cb2a0fe817570b00f06564353fda 100644 (file)
--- a/source4/lib/ldb/ldb_tdb/ldb_tdb_wrap.c
+++ b/source4/lib/ldb/ldb_tdb/ldb_tdb_wrap.c
@@ -134,7 +134,9 @@ struct tdb_context *ltdb_wrap_open(TALLOC_CTX *mem_ctx,
        if (stat(path, &st) == 0) {
                for (w=tdb_list;w;w=w->next) {
                        if (st.st_dev == w->device && st.st_ino == w->inode) {
-                               talloc_reference(mem_ctx, w);
+                               if (!talloc_reference(mem_ctx, w)) {
+                                       return NULL;
+                               }
                                return w->tdb;
                        }
                }