[PATCH] migration: fix saving normal page even if it's been compressed

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From: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxx>

Fix the bug introduced by da3f56cb2e767016 (migration: remove
ram_save_compressed_page()), It should be 'return' rather than
'res'

Sorry for this stupid mistake :(

Signed-off-by: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxx>
---
 migration/ram.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/migration/ram.c b/migration/ram.c
index 01cc815410..699546cc43 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -1490,7 +1490,7 @@ static int ram_save_target_page(RAMState *rs, PageSearchStatus *pss,
      * CPU resource.
      */
     if (block == rs->last_sent_block && save_page_use_compression(rs)) {
-        res = compress_page_with_multi_thread(rs, block, offset);
+        return compress_page_with_multi_thread(rs, block, offset);
     }
 
     return ram_save_page(rs, pss, last_stage);
-- 
2.14.3




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