From db6096e986846f8ccddbca13bf18304c3e34dcc2 Mon Sep 17 00:00:00 2001
From: Elliott Hughes <enh@google.com>
Date: Tue, 23 Aug 2016 12:50:00 -0700
Subject: [PATCH] Most accept/accept4 calls in system/core don't actually want
 the remote address.

So don't write the extra code for it or waste the kernel's time
copying it around.

Change-Id: I93de64064c2d4fe58ba5b5322cfa69bf31a76dad
---
 lmkd.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/lmkd.c b/lmkd.c
index 37fbdb8..733b784 100644
--- a/lmkd.c
+++ b/lmkd.c
@@ -410,9 +410,6 @@ static void ctrl_data_handler(uint32_t events) {
 }
 
 static void ctrl_connect_handler(uint32_t events __unused) {
-    struct sockaddr_storage ss;
-    struct sockaddr *addrp = (struct sockaddr *)&ss;
-    socklen_t alen;
     struct epoll_event epev;
 
     if (ctrl_dfd >= 0) {
@@ -420,8 +417,7 @@ static void ctrl_connect_handler(uint32_t events __unused) {
         ctrl_dfd_reopened = 1;
     }
 
-    alen = sizeof(ss);
-    ctrl_dfd = accept(ctrl_lfd, addrp, &alen);
+    ctrl_dfd = accept(ctrl_lfd, NULL, NULL);
 
     if (ctrl_dfd < 0) {
         ALOGE("lmkd control socket accept failed; errno=%d", errno);