From a641d3f829257269d8d8bd79eda37d0a4963466e Mon Sep 17 00:00:00 2001
From: qingyan01 <68208925+qingyan01@users.noreply.github.com>
Date: Fri, 19 Apr 2024 16:46:25 +0800
Subject: [PATCH] move the following auto *addr above the if and check whether
 the addr is nullptr

---
 src/common/network/NetworkUtils.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/common/network/NetworkUtils.cpp b/src/common/network/NetworkUtils.cpp
index e615719b8d4..8ec6d6dc4f1 100644
--- a/src/common/network/NetworkUtils.cpp
+++ b/src/common/network/NetworkUtils.cpp
@@ -65,8 +65,9 @@ StatusOr<std::vector<std::pair<std::string, std::string>>> NetworkUtils::listDev
     return Status::Error("%s", ::strerror(errno));
   }
   for (auto* ifa = iflist; ifa != nullptr; ifa = ifa->ifa_next) {
+    auto* addr = ifa->ifa_addr;
     // Skip non-IPv4 devices
-    if (nullptr == ifa->ifa_addr || ifa->ifa_addr->sa_family != AF_INET) {
+    if (nullptr == addr || addr->sa_family != AF_INET) {
       continue;
     }
     auto* addr = reinterpret_cast<struct sockaddr_in*>(ifa->ifa_addr);