From 7a580ae3bc7fa559c2abd4d8dca806ed6b9230d4 Mon Sep 17 00:00:00 2001
From: YAMAMOTO Takashi <yamamoto@midokura.com>
Date: Tue, 20 Jul 2021 14:04:31 +0900
Subject: [PATCH] iob_trimhead: fix an integer truncation

I guess this fixes https://github.com/apache/incubator-nuttx/issues/4181
---
 mm/iob/iob_trimhead.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/iob/iob_trimhead.c b/mm/iob/iob_trimhead.c
index 602ad689503..db72bc69ab0 100644
--- a/mm/iob/iob_trimhead.c
+++ b/mm/iob/iob_trimhead.c
@@ -55,7 +55,7 @@
 FAR struct iob_s *iob_trimhead(FAR struct iob_s *iob, unsigned int trimlen,
                                enum iob_user_e producerid)
 {
-  uint16_t pktlen;
+  unsigned int pktlen;
 
   iobinfo("iob=%p trimlen=%d\n", iob, trimlen);