5 files changed, 24 insertions, 17 deletions
diff --git a/vendor/golang.org/x/sys/unix/affinity_linux.go b/vendor/golang.org/x/sys/unix/affinity_linux.go
index d81fbb5b4..72afe3338 100644
--- a/vendor/golang.org/x/sys/unix/affinity_linux.go
+++ b/vendor/golang.org/x/sys/unix/affinity_linux.go
@@ -16,7 +16,7 @@ const cpuSetSize = _CPU_SETSIZE / _NCPUBITS
 type CPUSet [cpuSetSize]cpuMask
 
 func schedAffinity(trap uintptr, pid int, set *CPUSet) error {
-	_, _, e := RawSyscall(trap, uintptr(pid), uintptr(unsafe.Sizeof(set)), uintptr(unsafe.Pointer(set)))
+	_, _, e := RawSyscall(trap, uintptr(pid), uintptr(unsafe.Sizeof(*set)), uintptr(unsafe.Pointer(set)))
 	if e != 0 {
 		return errnoErr(e)
 	}
diff --git a/vendor/golang.org/x/sys/unix/mksyscall.pl b/vendor/golang.org/x/sys/unix/mksyscall.pl
index 73e26cafa..1f6b926f8 100755
--- a/vendor/golang.org/x/sys/unix/mksyscall.pl
+++ b/vendor/golang.org/x/sys/unix/mksyscall.pl
@@ -210,13 +210,13 @@ while(<>) {
 	# Determine which form to use; pad args with zeros.
 	my $asm = "Syscall";
 	if ($nonblock) {
-		if ($errvar ne "") {
-			$asm = "RawSyscall";
-		} else {
+		if ($errvar eq "" && $ENV{'GOOS'} eq "linux") {
 			$asm = "RawSyscallNoError";
+		} else {
+			$asm = "RawSyscall";
 		}
 	} else {
-		if ($errvar eq "") {
+		if ($errvar eq "" && $ENV{'GOOS'} eq "linux") {
 			$asm = "SyscallNoError";
 		}
 	}
@@ -292,10 +292,11 @@ while(<>) {
 	if ($ret[0] eq "_" && $ret[1] eq "_" && $ret[2] eq "_") {
 		$text .= "\t$call\n";
 	} else {
-		if ($errvar ne "") {
-			$text .= "\t$ret[0], $ret[1], $ret[2] := $call\n";
-		} else {
+		if ($errvar eq "" && $ENV{'GOOS'} eq "linux") {
+			# raw syscall without error on Linux, see golang.org/issue/22924
 			$text .= "\t$ret[0], $ret[1] := $call\n";
+		} else {
+			$text .= "\t$ret[0], $ret[1], $ret[2] := $call\n";
 		}
 	}
 	$text .= $body;
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux.go b/vendor/golang.org/x/sys/unix/syscall_linux.go
index b48f77f92..76cf81f57 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux.go
@@ -16,13 +16,6 @@ import (
 	"unsafe"
 )
 
-// SyscallNoError may be used instead of Syscall for syscalls that don't fail.
-func SyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr)
-
-// RawSyscallNoError may be used instead of RawSyscall for syscalls that don't
-// fail.
-func RawSyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr)
-
 /*
  * Wrapped
  */
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_gc.go b/vendor/golang.org/x/sys/unix/syscall_linux_gc.go
new file mode 100644
index 000000000..c26e6ec23
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_gc.go
@@ -0,0 +1,14 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build linux,!gccgo
+
+package unix
+
+// SyscallNoError may be used instead of Syscall for syscalls that don't fail.
+func SyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr)
+
+// RawSyscallNoError may be used instead of RawSyscall for syscalls that don't
+// fail.
+func RawSyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr)
diff --git a/vendor/golang.org/x/sys/unix/syscall_unix.go b/vendor/golang.org/x/sys/unix/syscall_unix.go
index 950cfa81f..cd8f3a9c2 100644
--- a/vendor/golang.org/x/sys/unix/syscall_unix.go
+++ b/vendor/golang.org/x/sys/unix/syscall_unix.go
@@ -50,8 +50,7 @@ func errnoErr(e syscall.Errno) error {
 	return e
 }
 
-// clen returns the index of the first NULL byte in n or len(n) if n contains no
-// NULL byte or len(n) if n contains no NULL byte
+// clen returns the index of the first NULL byte in n or len(n) if n contains no NULL byte.
 func clen(n []byte) int {
 	for i := 0; i < len(n); i++ {
 		if n[i] == 0 {