Refactor: Bail early in AcceptConnection

src/net.cpp

@@ -801,29 +801,37 @@ static void AcceptConnection(const ListenSocket& hListenSocket) {
         int nErr = WSAGetLastError();
         if (nErr != WSAEWOULDBLOCK)
             LogPrintf("socket error accept failed: %s\n", NetworkErrorString(nErr));
+        return;
     }
-    else if (!IsSelectableSocket(hSocket))
+
+    if (!IsSelectableSocket(hSocket))
     {
         LogPrintf("connection from %s dropped: non-selectable socket\n", addr.ToString());
         CloseSocket(hSocket);
+        return;
     }
-    else if (nInbound >= nMaxInbound)
+
+    if (nInbound >= nMaxInbound)
     {
         LogPrint("net", "connection from %s dropped (full)\n", addr.ToString());
         CloseSocket(hSocket);
+        return;
     }
-    else if (!whitelisted && (nInbound >= (nMaxInbound - nWhiteConnections)))
+
+    if (!whitelisted && (nInbound >= (nMaxInbound - nWhiteConnections)))
     {
         LogPrint("net", "connection from %s dropped (non-whitelisted)\n", addr.ToString());
         CloseSocket(hSocket);
+        return;
     }
-    else if (CNode::IsBanned(addr) && !whitelisted)
+
+    if (CNode::IsBanned(addr) && !whitelisted)
     {
         LogPrintf("connection from %s dropped (banned)\n", addr.ToString());
         CloseSocket(hSocket);
+        return;
     }
-    else
-    {
+
     CNode* pnode = new CNode(hSocket, addr, "", true);
     pnode->AddRef();
     pnode->fWhitelisted = whitelisted;
@@ -835,7 +843,6 @@ static void AcceptConnection(const ListenSocket& hListenSocket) {
         vNodes.push_back(pnode);
     }
 }
-}
 
 void ThreadSocketHandler()
 {