From c1de4380e9bf997e3478aa4a3feea5885f502cfe Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Fri, 3 Nov 2017 09:24:16 -0600
Subject: [PATCH] Last fix to eliminate a warning also perpetrated a logic
 error in semaphore handling.

---
 wireless/ieee802154/mac802154_netdev.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/wireless/ieee802154/mac802154_netdev.c b/wireless/ieee802154/mac802154_netdev.c
index 5ba554c5e2..33ad3a5257 100644
--- a/wireless/ieee802154/mac802154_netdev.c
+++ b/wireless/ieee802154/mac802154_netdev.c
@@ -443,9 +443,10 @@ static int macnet_notify(FAR struct mac802154_maccb_s *maccb,
 #endif
         }
 #endif
+
+      nxsem_post(&priv->md_exclsem);
     }
 
-  nxsem_post(&priv->md_exclsem);
   return OK;
 }