os: don't crash on no-journal case

JournalingObjectStore::commit_start should handle the case where journal is
null. This will occur if the user doesn't configure a journal.

Signed-off-by: Colin McCabe <colinm@hq.newdream.net>

diff --git a/src/os/JournalingObjectStore.cc b/src/os/JournalingObjectStore.cc
index 464371b4cd1e327ca67d0ced9d3d6fe07d6170e3..afe006f269c4ad6f80c3ab63ab45bfd11a13c70f 100644 (file)
--- a/src/os/JournalingObjectStore.cc
+++ b/src/os/JournalingObjectStore.cc
@@ -194,7 +194,8 @@ bool JournalingObjectStore::commit_start()
   ret = true;
 
  out:
-  journal->commit_start();  // tell the journal too
+  if (journal)
+    journal->commit_start();  // tell the journal too
   journal_lock.Unlock();
   return ret;
 }