From 7a9c7b4dd35124a5e8ef092184af3e78ccadebfc Mon Sep 17 00:00:00 2001
From: Kejie Zhang <601172892@qq.com>
Date: Wed, 5 Sep 2018 20:57:14 +0800
Subject: [PATCH] fix goroutine leaks in filestore.go

License: MIT
Signed-off-by: Kejie Zhang <601172892@qq.com>
---
 core/commands/filestore.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/core/commands/filestore.go b/core/commands/filestore.go
index 4eded09c9e6..9d78a8df1ff 100644
--- a/core/commands/filestore.go
+++ b/core/commands/filestore.go
@@ -269,10 +269,14 @@ func perKeyActionToChan(ctx context.Context, args []string, action func(*cid.Cid
 		for _, arg := range args {
 			c, err := cid.Decode(arg)
 			if err != nil {
-				out <- &filestore.ListRes{
+				select {
+				case out <- &filestore.ListRes{
 					Status:   filestore.StatusOtherError,
 					ErrorMsg: fmt.Sprintf("%s: %v", arg, err),
+				}:
+				case <-ctx.Done():
 				}
+
 				continue
 			}
 			r := action(c)