net/tstun: fix build on arm
@@ -26,7 +26,7 @@ func diagnoseLinuxTUNFailure(tunName string, logf logger.Logf) {
logf("no TUN, and failed to look up kernel version: %v", err)
return
}
- kernel := utsField(&un.Release)
+ kernel := utsReleaseField(&un)
logf("Linux kernel version: %s", kernel)
modprobeOut, err := exec.Command("/sbin/modprobe", "tun").CombinedOutput()
@@ -84,9 +84,9 @@ func diagnoseLinuxTUNFailure(tunName string, logf logger.Logf) {
}
}
-func utsField(p *[65]int8) string {
+func utsReleaseField(u *syscall.Utsname) string {
var sb strings.Builder
- for _, v := range p {
+ for _, v := range u.Release {
if v == 0 {
break
}
