Allow ref_transaction_free(NULL) as a no-op. This makes ref_transaction_free
easier to use and more similar to plain 'free'.
In particular, it lets us rollback unconditionally as part of cleanup code
after setting 'transaction = NULL' if a transaction has been committed or
rolled back already.
Reviewed-by: Jonathan Nieder <jrnieder@xxxxxxxxx>
Signed-off-by: Ronnie Sahlberg <sahlberg@xxxxxxxxxx>
---
refs.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/refs.c b/refs.c
index 21ed465..1d6dece 100644
--- a/refs.c
+++ b/refs.c
@@ -3338,6 +3338,9 @@ void ref_transaction_free(struct ref_transaction *transaction)
{
int i;
+ if (!transaction)
+ return;
+
for (i = 0; i < transaction->nr; i++)
free(transaction->updates[i]);
--
2.0.0.420.g181e020.dirty
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