From cc800bcb1374ca31bfa4e00280dfbe57ed966f5b Mon Sep 17 00:00:00 2001
From: Kaspar Schleiser <kaspar@schleiser.de>
Date: Mon, 1 Nov 2010 13:45:30 +0100
Subject: [PATCH] * honour previous IRQ state in error path

---
 core/mutex.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/core/mutex.c b/core/mutex.c
index b337a85fbe..42e356196a 100644
--- a/core/mutex.c
+++ b/core/mutex.c
@@ -107,6 +107,7 @@ void mutex_wake_waiters(struct mutex_t *mutex, int flags) {
     /* queue is empty */
     if (!next) {
         mutex->val = 0;
+        if ( ! (flags & MUTEX_INISR)) eINT();
         return;
     }