From 5142b3d1b1929104103a14c1d7e148b8b8bb7896 Mon Sep 17 00:00:00 2001
From: Thomas Kowalski <thomas.kowalski@datadoghq.com>
Date: Sat, 18 Apr 2026 16:25:26 -0400
Subject: [PATCH] fix: check return code in unpack_callback_int64

---
 msgpack/unpack.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/msgpack/unpack.h b/msgpack/unpack.h
index 58a2f4f5..a6750f88 100644
--- a/msgpack/unpack.h
+++ b/msgpack/unpack.h
@@ -109,6 +109,8 @@ static inline int unpack_callback_int64(unpack_user* u, int64_t d, msgpack_unpac
     } else {
         p = PyLong_FromLong((long)d);
     }
+    if (!p)
+        return -1;
     *o = p;
     return 0;
 }