From d8a5ee1ec875b9cec83be95d727ad4849feebc13 Mon Sep 17 00:00:00 2001
From: Ludwig Ortmann <ludwig.ortmann@fu-berlin.de>
Date: Tue, 8 Jul 2014 17:49:16 +0200
Subject: [PATCH] core/msg: set m->sender_pid before it is used

fixes `msg_send_to_self` condition
---
 core/msg.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/core/msg.c b/core/msg.c
index 82d164e336..3492f24a1c 100644
--- a/core/msg.c
+++ b/core/msg.c
@@ -58,6 +58,7 @@ int msg_send(msg_t *m, unsigned int target_pid, bool block)
         return msg_send_int(m, target_pid);
     }
 
+    m->sender_pid = sched_active_pid;
     if (m->sender_pid == target_pid) {
         return msg_send_to_self(m);
     }
@@ -66,8 +67,6 @@ int msg_send(msg_t *m, unsigned int target_pid, bool block)
 
     tcb_t *target = (tcb_t*) sched_threads[target_pid];
 
-    m->sender_pid = sched_active_pid;
-
     if (target == NULL) {
         DEBUG("msg_send(): target thread does not exist\n");
         eINT();