1 files changed, 5 insertions, 8 deletions
diff --git a/libgo/go/net/tcpsockopt_dragonfly.go b/libgo/go/net/tcpsockopt_dragonfly.go
index d10a77773d8..0aa213239d1 100644
--- a/libgo/go/net/tcpsockopt_dragonfly.go
+++ b/libgo/go/net/tcpsockopt_dragonfly.go
@@ -10,20 +10,17 @@ import (
 	"time"
 )
 
-// Set keep alive period.
 func setKeepAlivePeriod(fd *netFD, d time.Duration) error {
 	if err := fd.incref(); err != nil {
 		return err
 	}
 	defer fd.decref()
-
-	// The kernel expects milliseconds so round to next highest millisecond.
+	// The kernel expects milliseconds so round to next highest
+	// millisecond.
 	d += (time.Millisecond - time.Nanosecond)
-	msecs := int(time.Duration(d.Nanoseconds()) / time.Millisecond)
-
-	err := os.NewSyscallError("setsockopt", syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_TCP, syscall.TCP_KEEPINTVL, msecs))
-	if err != nil {
-		return err
+	msecs := int(d / time.Millisecond)
+	if err := syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_TCP, syscall.TCP_KEEPINTVL, msecs); err != nil {
+		return os.NewSyscallError("setsockopt", err)
 	}
 	return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_TCP, syscall.TCP_KEEPIDLE, msecs))
 }