diff options
Diffstat (limited to 'hw/i386/kvm/xenstore_impl.c')
| -rw-r--r-- | hw/i386/kvm/xenstore_impl.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/hw/i386/kvm/xenstore_impl.c b/hw/i386/kvm/xenstore_impl.c index 305fe75519..d9732b567e 100644 --- a/hw/i386/kvm/xenstore_impl.c +++ b/hw/i386/kvm/xenstore_impl.c @@ -1022,6 +1022,7 @@ static int transaction_commit(XenstoreImplState *s, XsTransaction *tx) { struct walk_op op; XsNode **n; + int ret; if (s->root_tx != tx->base_tx) { return EAGAIN; @@ -1032,7 +1033,16 @@ static int transaction_commit(XenstoreImplState *s, XsTransaction *tx) s->root_tx = tx->tx_id; s->nr_nodes = tx->nr_nodes; - init_walk_op(s, &op, XBT_NULL, tx->dom_id, "/", &n); + ret = init_walk_op(s, &op, XBT_NULL, tx->dom_id, "/", &n); + /* + * There are two reasons why init_walk_op() may fail: an invalid tx_id, + * or an invalid path. We pass XBT_NULL and "/", and it cannot fail. + * If it does, the world is broken. And returning 'ret' would be weird + * because the transaction *was* committed, and all this tree walk is + * trying to do is fire the resulting watches on newly-committed nodes. + */ + g_assert(!ret); + op.deleted_in_tx = false; op.mutating = true; |