From f5438b1b4386ad98dd54bf5392e723d03871b487 Mon Sep 17 00:00:00 2001
From: goldsimon <goldsimon@gmx.de>
Date: Fri, 17 Mar 2017 11:22:30 +0100
Subject: [PATCH] try to satisfy clang's '-Wempty-body'

(cherry picked from commit aef2accfa388050474de97e8c9984545af669aa0)
---
 src/core/netif.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/core/netif.c b/src/core/netif.c
index 428b1484..64446546 100644
--- a/src/core/netif.c
+++ b/src/core/netif.c
@@ -849,7 +849,9 @@ netif_loop_output(struct netif *netif, struct pbuf *p)
      netif_poll(). */
 
   /* let last point to the last pbuf in chain r */
-  for (last = r; last->next != NULL; last = last->next);
+  for (last = r; last->next != NULL; last = last->next) {
+    /* nothing to do here, just get to the last pbuf */
+  }
 
   SYS_ARCH_PROTECT(lev);
   if (netif->loop_first != NULL) {