From 8d4704c5a11a090312776fa9cd1ad10556844e4b Mon Sep 17 00:00:00 2001
From: Florian Pose <fp@igh-essen.com>
Date: Thu, 9 Jul 2009 14:05:36 +0000
Subject: [PATCH] Zero mailbox datagram before sending.

---
 master/mailbox.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/master/mailbox.c b/master/mailbox.c
index 9677d229..517bdbcb 100644
--- a/master/mailbox.c
+++ b/master/mailbox.c
@@ -71,6 +71,7 @@ uint8_t *ec_slave_mbox_prepare_send(const ec_slave_t *slave, /**< slave */
         return ERR_PTR(-EOVERFLOW);
     }
 
+    ec_datagram_zero(datagram);
     ret = ec_datagram_fpwr(datagram, slave->station_address,
             slave->configured_rx_mailbox_offset,
             slave->configured_rx_mailbox_size);
-- 
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