summary refs log tree commit diff stats
diff options
context:
space:
mode:
-rw-r--r--include/qemu/transactions.h3
-rw-r--r--util/transactions.c8
2 files changed, 9 insertions, 2 deletions
diff --git a/include/qemu/transactions.h b/include/qemu/transactions.h
index 92c5965235..2f2060acd9 100644
--- a/include/qemu/transactions.h
+++ b/include/qemu/transactions.h
@@ -31,6 +31,9 @@
  * tran_create(), call your "prepare" functions on it, and finally call
  * tran_abort() or tran_commit() to finalize the transaction by corresponding
  * finalization actions in reverse order.
+ *
+ * The clean() functions registered by the drivers in a transaction are called
+ * last, after all abort() or commit() functions have been called.
  */
 
 #ifndef QEMU_TRANSACTIONS_H
diff --git a/util/transactions.c b/util/transactions.c
index d0bc9a3e73..2dbdedce95 100644
--- a/util/transactions.c
+++ b/util/transactions.c
@@ -61,11 +61,13 @@ void tran_abort(Transaction *tran)
 {
     TransactionAction *act, *next;
 
-    QSLIST_FOREACH_SAFE(act, &tran->actions, entry, next) {
+    QSLIST_FOREACH(act, &tran->actions, entry) {
         if (act->drv->abort) {
             act->drv->abort(act->opaque);
         }
+    }
 
+    QSLIST_FOREACH_SAFE(act, &tran->actions, entry, next) {
         if (act->drv->clean) {
             act->drv->clean(act->opaque);
         }
@@ -80,11 +82,13 @@ void tran_commit(Transaction *tran)
 {
     TransactionAction *act, *next;
 
-    QSLIST_FOREACH_SAFE(act, &tran->actions, entry, next) {
+    QSLIST_FOREACH(act, &tran->actions, entry) {
         if (act->drv->commit) {
             act->drv->commit(act->opaque);
         }
+    }
 
+    QSLIST_FOREACH_SAFE(act, &tran->actions, entry, next) {
         if (act->drv->clean) {
             act->drv->clean(act->opaque);
         }