cmpxchg returns the old value
Signed-off-by: Juan Quintela <[email protected]>
Reviewed-by: Dr. David Alan Gilbert <[email protected]>
---
migration/migration.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/migration/migration.c b/migration/migration.c
index edb4f3e..1e34aa5 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -509,7 +509,7 @@ void qmp_migrate_set_parameters(bool has_compress_level,
static void migrate_set_state(MigrationState *s, int old_state, int new_state)
{
- if (atomic_cmpxchg(&s->state, old_state, new_state) == new_state) {
+ if (atomic_cmpxchg(&s->state, old_state, new_state) == old_state) {
trace_migrate_set_state(new_state);
}
}
--
2.4.3
