tun: replace ErrorBatch() with errors.Join()

Reviewed-by: Maisem Ali <maisem@tailscale.com>
Signed-off-by: Jordan Whited <jordan@tailscale.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/tun/tun_linux.go b/tun/tun_linux.go
index 7a96d47..12cd49f 100644
--- a/tun/tun_linux.go
+++ b/tun/tun_linux.go
@@ -338,7 +338,7 @@ func (tun *NativeTun) Write(bufs [][]byte, offset int) (int, error) {
 		tun.writeOpMu.Unlock()
 	}()
 	var (
-		errs  []error
+		errs  error
 		total int
 	)
 	tun.toWrite = tun.toWrite[:0]
@@ -359,12 +359,12 @@ func (tun *NativeTun) Write(bufs [][]byte, offset int) (int, error) {
 			return total, os.ErrClosed
 		}
 		if err != nil {
-			errs = append(errs, err)
+			errs = errors.Join(errs, err)
 		} else {
 			total += n
 		}
 	}
-	return total, ErrorBatch(errs)
+	return total, errs
 }
 
 // handleVirtioRead splits in into bufs, leaving offset bytes at the front of