From 34423c7f58ada9315b4cc8ac64338a2576e82772 Mon Sep 17 00:00:00 2001
From: allen <allen@qq.com>
Date: Fri, 8 Dec 2023 20:45:48 +0800
Subject: [PATCH] fix: error: 'this' pointer is null [-Werror=nonnull]

---
 src/braft/storage.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/braft/storage.h b/src/braft/storage.h
index 21b5e0d3..bdb59891 100644
--- a/src/braft/storage.h
+++ b/src/braft/storage.h
@@ -232,7 +232,9 @@ class Snapshot : public butil::Status {
     virtual int get_file_meta(const std::string& filename, 
                               ::google::protobuf::Message* file_meta) {
         (void)filename;
-        file_meta->Clear();
+        if (file_meta != NULL) {
+            file_meta->Clear();
+        }
         return 0;
     }
 };