From 758ff64c69e34965f8af5b2d6ffd65e8d7ab2150 Mon Sep 17 00:00:00 2001
From: Ondřej Surý <ondrej@sury.org>
Date: Mon, 14 Feb 2011 13:23:51 +0100
Subject: Imported Upstream version 2011-02-01.1

---
 src/pkg/crypto/rand/rand_unix.go | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'src/pkg/crypto/rand')

diff --git a/src/pkg/crypto/rand/rand_unix.go b/src/pkg/crypto/rand/rand_unix.go
index ff16f2554..900b57330 100644
--- a/src/pkg/crypto/rand/rand_unix.go
+++ b/src/pkg/crypto/rand/rand_unix.go
@@ -29,15 +29,14 @@ type devReader struct {
 
 func (r *devReader) Read(b []byte) (n int, err os.Error) {
 	r.mu.Lock()
+	defer r.mu.Unlock()
 	if r.f == nil {
 		f, err := os.Open(r.name, os.O_RDONLY, 0)
 		if f == nil {
-			r.mu.Unlock()
 			return 0, err
 		}
 		r.f = f
 	}
-	r.mu.Unlock()
 	return r.f.Read(b)
 }
 
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