diff --git a/wireless/ieee802154/libmac/ieee802154_assocreq.c b/wireless/ieee802154/libmac/ieee802154_assocreq.c
index 41648c39f..3549da35d 100644
--- a/wireless/ieee802154/libmac/ieee802154_assocreq.c
+++ b/wireless/ieee802154/libmac/ieee802154_assocreq.c
@@ -60,8 +60,8 @@ int ieee802154_assoc_req(int fd, FAR struct ieee802154_assoc_req_s *req)
   ret = ioctl(fd, MAC802154IOC_MLME_ASSOC_REQUEST, (unsigned long)((uintptr_t)req));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_ASSOC_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_ASSOC_REQUEST failed: %d\n", ret);
     }
 
   return ret;
diff --git a/wireless/ieee802154/libmac/ieee802154_assocresp.c b/wireless/ieee802154/libmac/ieee802154_assocresp.c
index 481a051ae..c98c34274 100644
--- a/wireless/ieee802154/libmac/ieee802154_assocresp.c
+++ b/wireless/ieee802154/libmac/ieee802154_assocresp.c
@@ -62,10 +62,11 @@ int ieee802154_assoc_resp(int fd, FAR struct ieee802154_assoc_resp_s *resp)
   ret = ioctl(fd, MAC802154IOC_MLME_ASSOC_RESPONSE, (unsigned long)((uintptr_t)&arg));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_ASSOC_RESPONSE failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_ASSOC_RESPONSE failed: %d\n", ret);
+      return ret;
     }
 
   memcpy(resp, &arg.assocresp, sizeof(struct ieee802154_assoc_resp_s));
-  return ret;
+  return OK;
 }
diff --git a/wireless/ieee802154/libmac/ieee802154_disassocreq.c b/wireless/ieee802154/libmac/ieee802154_disassocreq.c
index 6fccf7324..fa743c175 100644
--- a/wireless/ieee802154/libmac/ieee802154_disassocreq.c
+++ b/wireless/ieee802154/libmac/ieee802154_disassocreq.c
@@ -60,8 +60,8 @@ int ieee802154_disassoc_req(int fd, FAR struct ieee802154_disassoc_req_s *req)
   ret = ioctl(fd, MAC802154IOC_MLME_DISASSOC_REQUEST, (unsigned long)((uintptr_t)req));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_DISASSOC_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_DISASSOC_REQUEST failed: %d\n", ret);
     }
 
   return ret;
diff --git a/wireless/ieee802154/libmac/ieee802154_getreq.c b/wireless/ieee802154/libmac/ieee802154_getreq.c
index 5fb3006c8..a5caaa3ca 100644
--- a/wireless/ieee802154/libmac/ieee802154_getreq.c
+++ b/wireless/ieee802154/libmac/ieee802154_getreq.c
@@ -60,8 +60,8 @@ int ieee802154_get_req(int fd, FAR struct ieee802154_get_req_s *req)
   ret = ioctl(fd, MAC802154IOC_MLME_GET_REQUEST, (unsigned long)((uintptr_t)req));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_GET_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_GET_REQUEST failed: %d\n", ret);
     }
 
   return ret;
diff --git a/wireless/ieee802154/libmac/ieee802154_gtsreq.c b/wireless/ieee802154/libmac/ieee802154_gtsreq.c
index 3766b3819..9911e4ee9 100644
--- a/wireless/ieee802154/libmac/ieee802154_gtsreq.c
+++ b/wireless/ieee802154/libmac/ieee802154_gtsreq.c
@@ -60,8 +60,8 @@ int ieee802154_gts_req(int fd, FAR struct ieee802154_gts_req_s *req)
   ret = ioctl(fd, MAC802154IOC_MLME_GTS_REQUEST, (unsigned long)((uintptr_t)req));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_GTS_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_GTS_REQUEST failed: %d\n", ret);
     }
 
   return ret;
diff --git a/wireless/ieee802154/libmac/ieee802154_orphanresp.c b/wireless/ieee802154/libmac/ieee802154_orphanresp.c
index d80cb2252..195cd4e89 100644
--- a/wireless/ieee802154/libmac/ieee802154_orphanresp.c
+++ b/wireless/ieee802154/libmac/ieee802154_orphanresp.c
@@ -62,10 +62,11 @@ int ieee802154_orphan_resp(int fd, FAR struct ieee802154_orphan_resp_s *resp)
   ret = ioctl(fd, MAC802154IOC_MLME_ORPHAN_RESPONSE, (unsigned long)((uintptr_t)&arg));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_ORPHAN_RESPONSE failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_ORPHAN_RESPONSE failed: %d\n", ret);
+      return ret;
     }
 
   memcpy(resp, &arg.orphanresp, sizeof(struct ieee802154_orphan_resp_s));
-  return ret;
+  return OK;
 }
diff --git a/wireless/ieee802154/libmac/ieee802154_pollreq.c b/wireless/ieee802154/libmac/ieee802154_pollreq.c
index ee87ba78e..fb5e712f3 100644
--- a/wireless/ieee802154/libmac/ieee802154_pollreq.c
+++ b/wireless/ieee802154/libmac/ieee802154_pollreq.c
@@ -60,8 +60,8 @@ int ieee802154_poll_req(int fd, FAR struct ieee802154_poll_req_s *req)
   ret = ioctl(fd, MAC802154IOC_MLME_POLL_REQUEST, (unsigned long)((uintptr_t)req));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_POLL_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_POLL_REQUEST failed: %d\n", ret);
     }
 
   return ret;
diff --git a/wireless/ieee802154/libmac/ieee802154_resetreq.c b/wireless/ieee802154/libmac/ieee802154_resetreq.c
index 66c2e99e4..e5f970112 100644
--- a/wireless/ieee802154/libmac/ieee802154_resetreq.c
+++ b/wireless/ieee802154/libmac/ieee802154_resetreq.c
@@ -60,8 +60,8 @@ int ieee802154_reset_req(int fd, FAR struct ieee802154_reset_req_s *req)
   ret = ioctl(fd, MAC802154IOC_MLME_RESET_REQUEST, (unsigned long)((uintptr_t)req));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_RESET_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_RESET_REQUEST failed: %d\n", ret);
     }
 
   return ret;
diff --git a/wireless/ieee802154/libmac/ieee802154_rxenabreq.c b/wireless/ieee802154/libmac/ieee802154_rxenabreq.c
index a823252bb..720d7f949 100644
--- a/wireless/ieee802154/libmac/ieee802154_rxenabreq.c
+++ b/wireless/ieee802154/libmac/ieee802154_rxenabreq.c
@@ -60,8 +60,8 @@ int ieee802154_rxenable_req(int fd, FAR struct ieee802154_rxenable_req_s *req)
   ret = ioctl(fd, MAC802154IOC_MLME_RXENABLE_REQUEST, (unsigned long)((uintptr_t)req));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_RXENABLE_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_RXENABLE_REQUEST failed: %d\n", ret);
     }
 
   return ret;
diff --git a/wireless/ieee802154/libmac/ieee802154_scanreq.c b/wireless/ieee802154/libmac/ieee802154_scanreq.c
index 1d190f294..d494eba8f 100644
--- a/wireless/ieee802154/libmac/ieee802154_scanreq.c
+++ b/wireless/ieee802154/libmac/ieee802154_scanreq.c
@@ -60,8 +60,8 @@ int ieee802154_scan_req(int fd, FAR struct ieee802154_scan_req_s *req)
   ret = ioctl(fd, MAC802154IOC_MLME_SCAN_REQUEST, (unsigned long)((uintptr_t)req));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_SCAN_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_SCAN_REQUEST failed: %d\n", ret);
     }
 
   return ret;
diff --git a/wireless/ieee802154/libmac/ieee802154_setreq.c b/wireless/ieee802154/libmac/ieee802154_setreq.c
index d7398385e..d33c9390a 100644
--- a/wireless/ieee802154/libmac/ieee802154_setreq.c
+++ b/wireless/ieee802154/libmac/ieee802154_setreq.c
@@ -60,8 +60,8 @@ int ieee802154_set_req(int fd, FAR struct ieee802154_set_req_s *req)
   ret = ioctl(fd, MAC802154IOC_MLME_SET_REQUEST, (unsigned long)((uintptr_t)req));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_SET_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_SET_REQUEST failed: %d\n", ret);
     }
 
   return ret;
diff --git a/wireless/ieee802154/libmac/ieee802154_startreq.c b/wireless/ieee802154/libmac/ieee802154_startreq.c
index 8ca5121bc..8b408be13 100644
--- a/wireless/ieee802154/libmac/ieee802154_startreq.c
+++ b/wireless/ieee802154/libmac/ieee802154_startreq.c
@@ -60,8 +60,8 @@ int ieee802154_start_req(int fd, FAR struct ieee802154_start_req_s *req)
   ret = ioctl(fd, MAC802154IOC_MLME_START_REQUEST, (unsigned long)((uintptr_t)req));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_START_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_START_REQUEST failed: %d\n", ret);
     }
 
   return ret;
diff --git a/wireless/ieee802154/libmac/ieee802154_syncreq.c b/wireless/ieee802154/libmac/ieee802154_syncreq.c
index 3b060c23b..5ae1b95b4 100644
--- a/wireless/ieee802154/libmac/ieee802154_syncreq.c
+++ b/wireless/ieee802154/libmac/ieee802154_syncreq.c
@@ -60,8 +60,8 @@ int ieee802154_sync_req(int fd, FAR struct ieee802154_sync_req_s *req)
   ret = ioctl(fd, MAC802154IOC_MLME_SYNC_REQUEST, (unsigned long)((uintptr_t)req));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_SYNC_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_SYNC_REQUEST failed: %d\n", ret);
     }
 
   return ret;
diff --git a/wireless/ieee802154/libmac/sixlowpan_assocreq.c b/wireless/ieee802154/libmac/sixlowpan_assocreq.c
index b7909f160..1e110e1f2 100644
--- a/wireless/ieee802154/libmac/sixlowpan_assocreq.c
+++ b/wireless/ieee802154/libmac/sixlowpan_assocreq.c
@@ -67,8 +67,8 @@ int sixlowpan_assoc_req(int sock, FAR const char *ifname,
               (unsigned long)((uintptr_t)&arg));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_ASSOC_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_ASSOC_REQUEST failed: %d\n", ret);
     }
 
   return ret;
diff --git a/wireless/ieee802154/libmac/sixlowpan_assocresp.c b/wireless/ieee802154/libmac/sixlowpan_assocresp.c
index 306c4911c..27af6e0cc 100644
--- a/wireless/ieee802154/libmac/sixlowpan_assocresp.c
+++ b/wireless/ieee802154/libmac/sixlowpan_assocresp.c
@@ -66,10 +66,11 @@ int sixlowpan_assoc_resp(int sock, FAR const char *ifname,
               (unsigned long)((uintptr_t)&arg));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_ASSOC_RESPONSE failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_ASSOC_RESPONSE failed: %d\n", ret);
+      return ret;
     }
 
   memcpy(resp, &arg.u.assocresp, sizeof(struct ieee802154_assoc_resp_s));
-  return ret;
+  return OK;
 }
diff --git a/wireless/ieee802154/libmac/sixlowpan_disassocreq.c b/wireless/ieee802154/libmac/sixlowpan_disassocreq.c
index 81c3a1029..1586cde44 100644
--- a/wireless/ieee802154/libmac/sixlowpan_disassocreq.c
+++ b/wireless/ieee802154/libmac/sixlowpan_disassocreq.c
@@ -67,8 +67,8 @@ int sixlowpan_desassoc_req(int sock, FAR const char *ifname,
               (unsigned long)((uintptr_t)&arg));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_DISASSOC_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_DISASSOC_REQUEST failed: %d\n", ret);
     }
 
   return ret;
diff --git a/wireless/ieee802154/libmac/sixlowpan_getreq.c b/wireless/ieee802154/libmac/sixlowpan_getreq.c
index 1e6c8ecdd..2ec3fa8d2 100644
--- a/wireless/ieee802154/libmac/sixlowpan_getreq.c
+++ b/wireless/ieee802154/libmac/sixlowpan_getreq.c
@@ -67,8 +67,8 @@ int sixlowpan_get_req(int sock, FAR const char *ifname,
               (unsigned long)((uintptr_t)&arg));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_GET_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_GET_REQUEST failed: %d\n", ret);
     }
 
   return ret;
diff --git a/wireless/ieee802154/libmac/sixlowpan_gtsreq.c b/wireless/ieee802154/libmac/sixlowpan_gtsreq.c
index 971131756..08177a98a 100644
--- a/wireless/ieee802154/libmac/sixlowpan_gtsreq.c
+++ b/wireless/ieee802154/libmac/sixlowpan_gtsreq.c
@@ -67,8 +67,8 @@ int sixlowpan_gts_req(int sock, FAR const char *ifname,
               (unsigned long)((uintptr_t)&arg));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_GTS_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_GTS_REQUEST failed: %d\n", ret);
     }
 
   return ret;
diff --git a/wireless/ieee802154/libmac/sixlowpan_orphanresp.c b/wireless/ieee802154/libmac/sixlowpan_orphanresp.c
index d6a21f5d9..6851664ab 100644
--- a/wireless/ieee802154/libmac/sixlowpan_orphanresp.c
+++ b/wireless/ieee802154/libmac/sixlowpan_orphanresp.c
@@ -66,10 +66,11 @@ int sixlowpan_orphan_resp(int sock, FAR const char *ifname,
               (unsigned long)((uintptr_t)&arg));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_ORPHAN_RESPONSE failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_ORPHAN_RESPONSE failed: %d\n", ret);
+      return ret;
     }
 
   memcpy(resp, &arg.u.orphanresp, sizeof(struct ieee802154_orphan_resp_s));
-  return ret;
+  return OK;
 }
diff --git a/wireless/ieee802154/libmac/sixlowpan_pollreq.c b/wireless/ieee802154/libmac/sixlowpan_pollreq.c
index 23a49aa61..2c5fab1e5 100644
--- a/wireless/ieee802154/libmac/sixlowpan_pollreq.c
+++ b/wireless/ieee802154/libmac/sixlowpan_pollreq.c
@@ -67,8 +67,8 @@ int sixlowpan_poll_req(int sock, FAR const char *ifname,
               (unsigned long)((uintptr_t)&arg));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_POLL_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_POLL_REQUEST failed: %d\n", ret);
     }
 
   return ret;
diff --git a/wireless/ieee802154/libmac/sixlowpan_resetreq.c b/wireless/ieee802154/libmac/sixlowpan_resetreq.c
index 05440696f..e05b0773c 100644
--- a/wireless/ieee802154/libmac/sixlowpan_resetreq.c
+++ b/wireless/ieee802154/libmac/sixlowpan_resetreq.c
@@ -67,8 +67,8 @@ int sixlowpan_reset_req(int sock, FAR const char *ifname,
               (unsigned long)((uintptr_t)&arg));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_RESET_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_RESET_REQUEST failed: %d\n", ret);
     }
 
   return ret;
diff --git a/wireless/ieee802154/libmac/sixlowpan_rxenabreq.c b/wireless/ieee802154/libmac/sixlowpan_rxenabreq.c
index 7194352a6..d3ac25eb8 100644
--- a/wireless/ieee802154/libmac/sixlowpan_rxenabreq.c
+++ b/wireless/ieee802154/libmac/sixlowpan_rxenabreq.c
@@ -67,8 +67,8 @@ int sixlowpan_rxenable_req(int sock, FAR const char *ifname,
               (unsigned long)((uintptr_t)&arg));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_RXENABLE_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_RXENABLE_REQUEST failed: %d\n", ret);
     }
 
   return ret;
diff --git a/wireless/ieee802154/libmac/sixlowpan_scanreq.c b/wireless/ieee802154/libmac/sixlowpan_scanreq.c
index 8cb1e14fc..17934f4b9 100644
--- a/wireless/ieee802154/libmac/sixlowpan_scanreq.c
+++ b/wireless/ieee802154/libmac/sixlowpan_scanreq.c
@@ -67,8 +67,8 @@ int sixlowpan_scan_req(int sock, FAR const char *ifname,
               (unsigned long)((uintptr_t)&arg));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_SCAN_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_SCAN_REQUEST failed: %d\n", ret);
     }
 
   return ret;
diff --git a/wireless/ieee802154/libmac/sixlowpan_setreq.c b/wireless/ieee802154/libmac/sixlowpan_setreq.c
index 14ac2dc03..7d033c5c8 100644
--- a/wireless/ieee802154/libmac/sixlowpan_setreq.c
+++ b/wireless/ieee802154/libmac/sixlowpan_setreq.c
@@ -67,8 +67,8 @@ int sixlowpan_set_req(int sock, FAR const char *ifname,
               (unsigned long)((uintptr_t)&arg));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_SET_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_SET_REQUEST failed: %d\n", ret);
     }
 
   return ret;
diff --git a/wireless/ieee802154/libmac/sixlowpan_startreq.c b/wireless/ieee802154/libmac/sixlowpan_startreq.c
index dfcade8f9..fcf825bde 100644
--- a/wireless/ieee802154/libmac/sixlowpan_startreq.c
+++ b/wireless/ieee802154/libmac/sixlowpan_startreq.c
@@ -67,8 +67,8 @@ int sixlowpan_start_req(int sock, FAR const char *ifname,
               (unsigned long)((uintptr_t)&arg));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_START_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_START_REQUEST failed: %d\n", ret);
     }
 
   return ret;
diff --git a/wireless/ieee802154/libmac/sixlowpan_syncreq.c b/wireless/ieee802154/libmac/sixlowpan_syncreq.c
index 40e1b093e..819785cfa 100644
--- a/wireless/ieee802154/libmac/sixlowpan_syncreq.c
+++ b/wireless/ieee802154/libmac/sixlowpan_syncreq.c
@@ -67,8 +67,8 @@ int sixlowpan_sync_req(int sock, FAR const char *ifname,
               (unsigned long)((uintptr_t)&arg));
   if (ret < 0)
     {
-      int errcode = errno;
-      printf("MAC802154IOC_MLME_SYNC_REQUEST failed: %d\n", errcode);
+      ret = -errno;
+      fprintf(stderr, "MAC802154IOC_MLME_SYNC_REQUEST failed: %d\n", ret);
     }
 
   return ret;