From 54b441d690f6423b192739759422a2cd236aa1eb Mon Sep 17 00:00:00 2001
From: Darien Raymond <admin@v2ray.com>
Date: Mon, 17 Apr 2017 19:33:22 +0200
Subject: [PATCH] simplify error propagation

---
 common/signal/exec.go | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/common/signal/exec.go b/common/signal/exec.go
index 2a82c523..3a3400f9 100644
--- a/common/signal/exec.go
+++ b/common/signal/exec.go
@@ -32,13 +32,13 @@ func ErrorOrFinish2(ctx context.Context, c1, c2 <-chan error) error {
 	select {
 	case <-ctx.Done():
 		return ctx.Err()
-	case err, failed := <-c1:
-		if failed {
+	case err := <-c1:
+		if err != nil {
 			return err
 		}
 		return ErrorOrFinish1(ctx, c2)
-	case err, failed := <-c2:
-		if failed {
+	case err := <-c2:
+		if err != nil {
 			return err
 		}
 		return ErrorOrFinish1(ctx, c1)