[Qemu-devel] [PATCH 1/3] migration: Allow ram_save_cleanup to be called with empty state

[Fam Zheng]

So that we can do cleanup unconditionally at the end of main().

Signed-off-by: Fam Zheng <f...@redhat.com>
---
 migration/ram.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/migration/ram.c b/migration/ram.c
index e18b3e2d4f..37e6a71241 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -1365,6 +1365,9 @@ static void ram_save_cleanup(void *opaque)
     RAMState **rsp = opaque;
     RAMBlock *block;
 
+    if (!rsp || !*rsp) {
+        return;
+    }
     /* caller have hold iothread lock or is in a bh, so there is
      * no writing race against this migration_bitmap
      */
-- 
2.13.5