From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 2 Jun 2016 15:48:31 +0000 (+0200)
Subject: lldp: make sd_lldp_neighbor_tlv_rewind() return whether there's a first entry
X-Git-Tag: v231~207^2~11
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a85b46c33f09d62a066231abdf9727e84a3c07cc;p=thirdparty%2Fsystemd.git

lldp: make sd_lldp_neighbor_tlv_rewind() return whether there's a first entry

This way it's nicer to use as it matches how sd_lldp_neighbor_tlv_next()
indicates an EOF too via its return value.
---

diff --git a/src/libsystemd-network/lldp-neighbor.c b/src/libsystemd-network/lldp-neighbor.c
index 5811e0f2e8b..0ed680eecfb 100644
--- a/src/libsystemd-network/lldp-neighbor.c
+++ b/src/libsystemd-network/lldp-neighbor.c
@@ -686,7 +686,7 @@ _public_ int sd_lldp_neighbor_tlv_rewind(sd_lldp_neighbor *n) {
         assert(n->raw_size >= sizeof(struct ether_header));
         n->rindex = sizeof(struct ether_header);
 
-        return 0;
+        return n->rindex < n->raw_size;
 }
 
 _public_ int sd_lldp_neighbor_tlv_next(sd_lldp_neighbor *n) {