commit c8e992f83efa1e601d70a7c504bc94aa8c2e2161
author William A. Kennington III <wak@google.com> Mon Oct 24 16:15:32 2022 -0700
committer William A. Kennington III <wak@google.com> Tue Nov 08 00:37:44 2022 -0800
tree 2ea1b32b05f531acfd114f1682d0e7d59b9cbe77
parent 2bd35d674db1f09b9825542f5971b2cfab5320e1

rtnetlink: Remove unnecessary copy

Change-Id: I14268a99b8587c6b46a36023d7f31e132345f6db
Signed-off-by: William A. Kennington III <wak@google.com>

src/rtnetlink_server.cpp

diff --git a/src/rtnetlink_server.cpp b/src/rtnetlink_server.cpp
index 2c093bc..57ec475 100644
--- a/src/rtnetlink_server.cpp
+++ b/src/rtnetlink_server.cpp
@@ -31,23 +31,19 @@
         case RTM_DELADDR:
         case RTM_NEWROUTE:
         case RTM_DELROUTE:
-        {
             return true;
-        }
         case RTM_NEWNEIGH:
         case RTM_DELNEIGH:
         {
-            struct ndmsg ndm;
-            if (data.size() < sizeof(ndm))
+            if (data.size() < sizeof(ndmsg))
             {
                 return false;
             }
-            memcpy(&ndm, data.data(), sizeof(ndm));
+            const auto& ndm = *reinterpret_cast<const ndmsg*>(data.data());
             // We only want to refresh for static neighbors
             return ndm.ndm_state & NUD_PERMANENT;
         }
     }
-
     return false;
 }