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-rw-r--r--src/syscall/fd_nacl.go1
1 files changed, 0 insertions, 1 deletions
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