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-rw-r--r--src/syscall/fs_nacl.go2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/syscall/fs_nacl.go b/src/syscall/fs_nacl.go
index 6e6ce2ab7b..f52897edc3 100644
--- a/src/syscall/fs_nacl.go
+++ b/src/syscall/fs_nacl.go
@@ -815,7 +815,7 @@ func fdToFsysFile(fd int) (*fsysFile, error) {
// It is meant to be called when initializing the file system image.
func create(name string, mode uint32, sec int64, data []byte) error {
fs.mu.Lock()
- fs.mu.Unlock()
+ defer fs.mu.Unlock()
f, err := fs.open(name, O_CREATE|O_EXCL, mode)
if err != nil {
if mode&S_IFMT == S_IFDIR {