From f67eb2c108183bc6f037c0cabb95dbd5995207ca Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sun, 13 Feb 2011 15:52:40 +0000
Subject: Fixed bug 3179783.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2735 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/src/mac.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'os')

diff --git a/os/hal/src/mac.c b/os/hal/src/mac.c
index 48656a8a3..9d033fe33 100644
--- a/os/hal/src/mac.c
+++ b/os/hal/src/mac.c
@@ -123,8 +123,10 @@ msg_t macWaitTransmitDescriptor(MACDriver *macp,
          (time > 0)) {
     chSysLock();
     systime_t now = chTimeNow();
-    if ((msg = chSemWaitTimeoutS(&macp->md_tdsem, time)) == RDY_TIMEOUT)
+    if ((msg = chSemWaitTimeoutS(&macp->md_tdsem, time)) == RDY_TIMEOUT) {
+      chSysUnlock();
       break;
+    }
     if (time != TIME_INFINITE)
       time -= (chTimeNow() - now);
     chSysUnlock();
@@ -173,8 +175,10 @@ msg_t macWaitReceiveDescriptor(MACDriver *macp,
          (time > 0)) {
     chSysLock();
     systime_t now = chTimeNow();
-    if ((msg = chSemWaitTimeoutS(&macp->md_rdsem, time)) == RDY_TIMEOUT)
+    if ((msg = chSemWaitTimeoutS(&macp->md_rdsem, time)) == RDY_TIMEOUT) {
+      chSysUnlock();
       break;
+    }
     if (time != TIME_INFINITE)
       time -= (chTimeNow() - now);
     chSysUnlock();
-- 
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