os/kstore: some error handling

Signed-off-by: wangzhengyong@cmss.chinamobile.com

diff --git a/src/os/kstore/KStore.cc b/src/os/kstore/KStore.cc
index 5ef2de6f8d39cdc5a4dde7eef6e7cdf9371db0b3..fc7e9e4823be60cbcd29ce4246b1d3d8af1ea617 100755 (executable)
--- a/src/os/kstore/KStore.cc
+++ b/src/os/kstore/KStore.cc
@@ -3186,6 +3186,8 @@ int KStore::_clone_range(TransContext *txc,
     goto out;
 
   r = _do_write(txc, newo, dstoff, bl.length(), bl, 0);
+  if (r < 0)
+    goto out;
 
   txc->write_onode(newo);