--- /dev/null
+From 4e0877a604bad684be020f68e96a05156131fd44 Mon Sep 17 00:00:00 2001
+From: Matthias Schiffer <mschiffer@universe-factory.net>
+Date: Sun, 24 Jun 2018 17:05:31 +0200
+Subject: [PATCH] sys/socket.h: fix SO_PEERSEC value on MIPS
+
+Differing from all other archs supported by musl, MIPS defines SO_PEERSEC
+to 30 instead of 31.
+
+Reported-by: Andrey Jr. Mlenikov <temnota.am@gmail.com>
+---
+ arch/mips/bits/socket.h | 2 ++
+ arch/mips64/bits/socket.h | 2 ++
+ arch/mipsn32/bits/socket.h | 2 ++
+ include/sys/socket.h | 3 +++
+ 4 files changed, 9 insertions(+)
+
+--- a/arch/mips/bits/socket.h
++++ b/arch/mips/bits/socket.h
+@@ -48,5 +48,7 @@ struct cmsghdr {
+ #define SO_SNDBUFFORCE 31
+ #define SO_RCVBUFFORCE 33
+
++#define SO_PEERSEC 30
++
+ #define SOCK_NONBLOCK 0200
+ #define SOCK_CLOEXEC 02000000
+--- a/arch/mips64/bits/socket.h
++++ b/arch/mips64/bits/socket.h
+@@ -64,5 +64,7 @@ struct cmsghdr {
+ #define SO_SNDBUFFORCE 31
+ #define SO_RCVBUFFORCE 33
+
++#define SO_PEERSEC 30
++
+ #define SOCK_NONBLOCK 0200
+ #define SOCK_CLOEXEC 02000000
+--- a/arch/mipsn32/bits/socket.h
++++ b/arch/mipsn32/bits/socket.h
+@@ -48,5 +48,7 @@ struct cmsghdr {
+ #define SO_SNDBUFFORCE 31
+ #define SO_RCVBUFFORCE 33
+
++#define SO_PEERSEC 30
++
+ #define SOCK_NONBLOCK 0200
+ #define SOCK_CLOEXEC 02000000
+--- a/include/sys/socket.h
++++ b/include/sys/socket.h
+@@ -201,7 +201,10 @@ struct linger {
+ #define SO_TIMESTAMP 29
+ #define SCM_TIMESTAMP SO_TIMESTAMP
+
++#ifndef SO_PEERSEC
+ #define SO_PEERSEC 31
++#endif
++
+ #define SO_PASSSEC 34
+ #define SO_TIMESTAMPNS 35
+ #define SCM_TIMESTAMPNS SO_TIMESTAMPNS