[PATCH 25/26] commit_ref_transaction(): Also free the ref_transaction

[Michael Haggerty <mhagger@alum.mit.edu>]

Change commit_ref_transaction() to also free the associated data, to
absolve the caller from having to do it.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
---
 builtin/update-ref.c |  1 -
 refs.c               |  1 +
 refs.h               | 11 ++++++-----
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/builtin/update-ref.c b/builtin/update-ref.c
index ffed061..b33288c 100644
--- a/builtin/update-ref.c
+++ b/builtin/update-ref.c
@@ -346,7 +346,6 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
 		update_refs_stdin();
 		ret = commit_ref_transaction(transaction, msg,
 					     UPDATE_REFS_DIE_ON_ERR);
-		free_ref_transaction(transaction);
 		return ret;
 	}
 
diff --git a/refs.c b/refs.c
index 1fd38b0..d83fc7b 100644
--- a/refs.c
+++ b/refs.c
@@ -3471,6 +3471,7 @@ cleanup:
 			unlock_ref(updates[i]->lock);
 	free(updates);
 	free(delnames);
+	free_ref_transaction(transaction);
 	return ret;
 }
 
diff --git a/refs.h b/refs.h
index cc24213..754894b 100644
--- a/refs.h
+++ b/refs.h
@@ -210,14 +210,15 @@ enum action_on_err {
 
 /*
  * Allocate and initialize a ref_transaction object.  The object must
- * be freed by calling free_ref_transaction().
+ * be freed by calling commit_ref_transaction() or
+ * free_ref_transaction().
  */
 struct ref_transaction *create_ref_transaction(void);
 
 /*
- * Free a ref_transaction and all associated data.  This function does
- * not commit the transaction; that must be done first (if desired) by
- * calling commit_ref_transaction().
+ * Free a ref_transaction and all associated data.  This function
+ * should be called to free a ref_transaction that will not be
+ * committed.
  */
 void free_ref_transaction(struct ref_transaction *transaction);
 
@@ -264,7 +265,7 @@ void queue_delete_ref(struct ref_transaction *transaction, const char *refname,
 /*
  * Commit all of the changes that have been queued in transaction, as
  * atomically as possible.  Return a nonzero value if there is a
- * problem.  The transaction is unmodified by this function.
+ * problem.  The transaction is freed by this function.
  */
 int commit_ref_transaction(struct ref_transaction *transaction,
 			   const char *msg, enum action_on_err onerr);
-- 
1.9.0