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sd-radv: use ether_addr_is_null() where appropriate

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This commit is contained in:
Lennart Poettering 2018-11-26 21:53:26 +01:00
parent ff9bf8d012
commit ae25915d24
1 changed files with 2 additions and 2 deletions
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4
src/libsystemd-network/sd-radv.c
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@ -12,6 +12,7 @@
#include "macro.h"
#include "alloc-util.h"
#include "dns-domain.h"
#include "ether-addr-util.h"
#include "event-util.h"
#include "fd-util.h"
#include "icmp6-util.h"
@ -114,7 +115,6 @@ DEFINE_PUBLIC_TRIVIAL_REF_UNREF_FUNC(sd_radv, sd_radv, radv_free);
static int radv_send(sd_radv *ra, const struct in6_addr *dst,
const uint32_t router_lifetime) {
static const struct ether_addr mac_zero = {};
sd_radv_prefix *p;
struct sockaddr_in6 dst_addr = {
.sin6_family = AF_INET6,
@ -163,7 +163,7 @@ static int radv_send(sd_radv *ra, const struct in6_addr *dst,
/* MAC address is optional, either because the link does not use L2
addresses or load sharing is desired. See RFC 4861, Section 4.2 */
if (memcmp(&mac_zero, &ra->mac_addr, sizeof(mac_zero))) {
if (!ether_addr_is_null(&ra->mac_addr)) {
opt_mac.slladdr = ra->mac_addr;
iov[msg.msg_iovlen].iov_base = &opt_mac;
iov[msg.msg_iovlen].iov_len = sizeof(opt_mac);