diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_s390x.go b/vendor/golang.org/x/sys/unix/syscall_linux_s390x.go
index 2363f74..a1c0574 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux_s390x.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_s390x.go
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build s390x && linux
 // +build s390x,linux
 
 package unix
@@ -76,7 +77,7 @@
 	return Timeval{Sec: sec, Usec: usec}
 }
 
-//sysnb pipe2(p *[2]_C_int, flags int) (err error)
+//sysnb	pipe2(p *[2]_C_int, flags int) (err error)
 
 func Pipe(p []int) (err error) {
 	if len(p) != 2 {
@@ -128,6 +129,10 @@
 	cmsg.Len = uint64(length)
 }
 
+func (rsa *RawSockaddrNFCLLCP) SetServiceNameLen(length int) {
+	rsa.Service_name_len = uint64(length)
+}
+
 // Linux on s390x uses the old mmap interface, which requires arguments to be passed in a struct.
 // mmap2 also requires arguments to be passed in a struct; it is currently not exposed in <asm/unistd.h>.
 func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) {
@@ -249,7 +254,7 @@
 }
 
 func setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) error {
-	args := [4]uintptr{uintptr(s), uintptr(level), uintptr(name), uintptr(val)}
+	args := [5]uintptr{uintptr(s), uintptr(level), uintptr(name), uintptr(val), vallen}
 	_, _, err := Syscall(SYS_SOCKETCALL, netSetSockOpt, uintptr(unsafe.Pointer(&args)), 0)
 	if err != 0 {
 		return err