From b219136d6e8e471812ec902dc88fc4dd7ee9195b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nils=20O=2E=20Sel=C3=A5sdal?= <noselasd@fiane.dyndns.org>
Date: Mon, 17 Jun 2013 20:32:15 +0200
Subject: [PATCH] fix UC_ATOMIC_DEC

---
 include/ucore/atomic.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/ucore/atomic.h b/include/ucore/atomic.h
index c5bbe1d..1d7184d 100644
--- a/include/ucore/atomic.h
+++ b/include/ucore/atomic.h
@@ -20,7 +20,7 @@
  * Atomically decrement *ptr
  * @return *ptr before the decrement
  */
-#define UC_ATOMIC_DEC(ptr) UC_ATOMIC_ADD((ptr), -1)
+#define UC_ATOMIC_DEC(ptr) UC_ATOMIC_SUB((ptr), 1)
 
 /**
  * Atomically increment *ptr