From 31b574ef99a79fb654085693423f48a3bf0e7f81 Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <bradfitz@tailscale.com>
Date: Mon, 22 Jun 2020 12:58:01 -0700
Subject: device: remove some unnecessary unsafe

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
---
 device/indextable.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'device')

diff --git a/device/indextable.go b/device/indextable.go
index 5e10eef..d2dc8a7 100644
--- a/device/indextable.go
+++ b/device/indextable.go
@@ -7,8 +7,8 @@ package device
 
 import (
 	"crypto/rand"
+	"encoding/binary"
 	"sync"
-	"unsafe"
 )
 
 type IndexTableEntry struct {
@@ -25,7 +25,8 @@ type IndexTable struct {
 func randUint32() (uint32, error) {
 	var integer [4]byte
 	_, err := rand.Read(integer[:])
-	return *(*uint32)(unsafe.Pointer(&integer[0])), err
+	// Arbitrary endianness; both are intrinsified by the Go compiler.
+	return binary.LittleEndian.Uint32(integer[:]), err
 }
 
 func (table *IndexTable) Init() {
-- 
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