From eab2ae5d789fc888d5de62f9995834afaf1d96ff Mon Sep 17 00:00:00 2001
From: Dirk Ziegelmeier <dirk@ziegelmeier.net>
Date: Tue, 2 May 2017 12:51:25 +0200
Subject: [PATCH] Cleanup netif_name_to_index() implementation

---
 src/core/netif.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/core/netif.c b/src/core/netif.c
index 7b16e723..f9b60077 100644
--- a/src/core/netif.c
+++ b/src/core/netif.c
@@ -1433,7 +1433,7 @@ netif_null_output_ip6(struct netif *netif, struct pbuf *p, const ip6_addr_t *ipa
 /**
 * @ingroup netif
 * Return the interface index for the netif with name
-* or 0 (invalid interface) if not found/on error
+* or NETIF_NO_INDEX if not found/on error
 *
 * @param name the name of the netif
 */
@@ -1445,7 +1445,7 @@ netif_name_to_index(const char *name)
     return netif_get_index(netif);
   }
   /* No name found, return invalid index */
-  return 0;
+  return NETIF_NO_INDEX;
 }
 
 /**