From 1186cd4e566812138376a3acba46893c88b5071b Mon Sep 17 00:00:00 2001
From: Anthony Merlino <anthony@vergeaero.com>
Date: Tue, 9 May 2017 17:19:44 -0400
Subject: [PATCH] wireless/ieee802154: Fixes missing handle of read/write being
 able to be interrupted

---
 wireless/ieee802154/mac802154.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/wireless/ieee802154/mac802154.c b/wireless/ieee802154/mac802154.c
index 738eb47f30..54daa38195 100644
--- a/wireless/ieee802154/mac802154.c
+++ b/wireless/ieee802154/mac802154.c
@@ -1482,7 +1482,11 @@ int mac802154_req_data(MACHANDLE mac,
 
           priv->radio->ops->txnotify_csma(priv->radio);
 
-          sem_wait(&trans.sem);
+          ret = sem_wait(&trans.sem);
+          if (ret < 0)
+            {
+              return -EINTR;
+            }
         }
     }