From e35bcb6853609302c31e8199bd72ef348b7459b4 Mon Sep 17 00:00:00 2001
From: Ken Bannister <kb2ma@runbox.com>
Date: Wed, 23 Jan 2019 16:19:47 -0500
Subject: [PATCH] net/nanocoap: fix remaining space calculation
The space calculation must use the same length as the eventual
return value.
---
sys/net/application_layer/nanocoap/nanocoap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sys/net/application_layer/nanocoap/nanocoap.c b/sys/net/application_layer/nanocoap/nanocoap.c
index 455ebfe7e2..cb7b2e30da 100644
--- a/sys/net/application_layer/nanocoap/nanocoap.c
+++ b/sys/net/application_layer/nanocoap/nanocoap.c
@@ -364,7 +364,7 @@ ssize_t coap_build_reply(coap_pkt_t *pkt, unsigned code,
unsigned tkl = coap_get_token_len(pkt);
unsigned len = sizeof(coap_hdr_t) + tkl;
- if ((len + payload_len + 1) > rlen) {
+ if ((len + payload_len) > rlen) {
return -ENOSPC;
}
--
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