From d70a94f13974134c1ace87b5f2654fa616e37650 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=B6ren=20Tempel?= <soeren+git@soeren-tempel.net>
Date: Mon, 7 Jan 2019 17:59:40 +0100
Subject: [PATCH] nanocoap: fix sock_udp return value checks
---
sys/net/application_layer/nanocoap/sock.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/sys/net/application_layer/nanocoap/sock.c b/sys/net/application_layer/nanocoap/sock.c
index ef2e0d6939..c722a553b0 100644
--- a/sys/net/application_layer/nanocoap/sock.c
+++ b/sys/net/application_layer/nanocoap/sock.c
@@ -128,17 +128,17 @@ int nanocoap_server(sock_udp_ep_t *local, uint8_t *buf, size_t bufsize)
}
ssize_t res = sock_udp_create(&sock, local, NULL, 0);
- if (res == -1) {
+ if (res != 0) {
return -1;
}
while (1) {
res = sock_udp_recv(&sock, buf, bufsize, -1, &remote);
- if (res == -1) {
+ if (res < 0) {
DEBUG("error receiving UDP packet\n");
return -1;
}
- else {
+ else if (res > 0) {
coap_pkt_t pkt;
if (coap_parse(&pkt, (uint8_t *)buf, res) < 0) {
DEBUG("error parsing packet\n");
--
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