diff: only untrack notify payload when it is set

1 files changed, 3 insertions, 1 deletions

diff --git a/diff.go b/diff.go
index 8aa79aa..5e03175 100644
--- a/diff.go
+++ b/diff.go
@@ -561,7 +561,9 @@ func freeDiffOptions(copts *C.git_diff_options) {
 		freeStrarray(&cpathspec)
 		C.free(unsafe.Pointer(copts.old_prefix))
 		C.free(unsafe.Pointer(copts.new_prefix))
-		pointerHandles.Untrack(copts.notify_payload)
+		if copts.notify_payload != nil {
+			pointerHandles.Untrack(copts.notify_payload)
+		}
 	}
 }