librbd: check new snapc for validity, not the old one

Signed-off-by: Josh Durgin <josh.durgin@inktank.com>

diff --git a/src/librbd/internal.cc b/src/librbd/internal.cc
index 7790f665c484fa2c81c47a4e3bdf58e9d4dfd961..b664872bc070bcb4cbd3b99fc5a691e3d7bb8023 100644 (file)
--- a/src/librbd/internal.cc
+++ b/src/librbd/internal.cc
@@ -1287,7 +1287,7 @@ namespace librbd {
        _flush(ictx);
       }
 
-      if (!ictx->snapc.is_valid()) {
+      if (!new_snapc.is_valid()) {
        lderr(cct) << "image snap context is invalid!" << dendl;
        return -EIO;
       }