From: sdhsdh <sdhsdh>
Date: Thu, 17 Sep 2009 17:58:02 +0000 (+0000)
Subject:  - serial lockup fix
X-Git-Tag: rc_6_tinyos_2_1_1~254
X-Git-Url: https://oss.titaniummirror.com/gitweb/?p=tinyos-2.x.git;a=commitdiff_plain;h=eca0b8b411fb6e86e315338c7b92e1cdb4100c3a

 - serial lockup fix
---

diff --git a/tos/lib/serial/SerialDispatcherP.nc b/tos/lib/serial/SerialDispatcherP.nc
index e2afe5af..fd2946b1 100644
--- a/tos/lib/serial/SerialDispatcherP.nc
+++ b/tos/lib/serial/SerialDispatcherP.nc
@@ -294,6 +294,9 @@ implementation {
         receiveTaskSize = recvIndex;
         receiveBufferSwap();
         receiveState.state = RECV_STATE_IDLE;
+      } else {
+        // we can't deliver the packet, better free the current buffer.
+        unlockBuffer(receiveState.which);
       }
     }
     if (postsignalreceive){