From: Filippo Valsorda <filippo@golang.org>
Date: Fri, 30 Mar 2018 21:00:39 +0000 (-0400)
Subject: syscall: remove double Unlock from Dup2 on nacl
X-Git-Tag: go1.11beta1~1031
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=befd5c44cc5e970dd4b021229d6162d8b56f111b;p=gostls13.git

syscall: remove double Unlock from Dup2 on nacl

Fixes #24610

Change-Id: I76dee97db7cd77fe03e4a224f679a5efd061a2b5
Reviewed-on: https://go-review.googlesource.com/103775
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
---

diff --git a/src/syscall/fd_nacl.go b/src/syscall/fd_nacl.go
index e559793c8b..b31aa58c49 100644
--- a/src/syscall/fd_nacl.go
+++ b/src/syscall/fd_nacl.go
@@ -121,7 +121,6 @@ func Dup(fd int) (int, error) {
 
 func Dup2(fd, newfd int) error {
 	files.Lock()
-	defer files.Unlock()
 	if fd < 0 || fd >= len(files.tab) || files.tab[fd] == nil || newfd < 0 || newfd >= len(files.tab)+100 {
 		files.Unlock()
 		return EBADF