network: use IN_ADDR_NULL and ETHER_ADDR_NULL

The change in manager_rtnl_process_address() may not be necessary,
but for safety, let's initialize the value.

4 files changed, 8 insertions, 8 deletions

diff --git a/src/network/networkctl.c b/src/network/networkctl.c
index 3881aaa42b..eb3521b794 100644
--- a/src/network/networkctl.c
+++ b/src/network/networkctl.c
@@ -320,8 +320,8 @@ static int get_gateway_description(
                 return r;
 
         for (m = reply; m; m = sd_netlink_message_next(m)) {
-                union in_addr_union gw = {};
-                struct ether_addr mac = {};
+                union in_addr_union gw = IN_ADDR_NULL;
+                struct ether_addr mac = ETHER_ADDR_NULL;
                 uint16_t type;
                 int ifi, fam;
 
@@ -514,7 +514,7 @@ static int dump_address_labels(sd_netlink *rtnl) {
 
         for (m = reply; m; m = sd_netlink_message_next(m)) {
                 _cleanup_free_ char *pretty = NULL;
-                union in_addr_union prefix = {};
+                union in_addr_union prefix = IN_ADDR_NULL;
                 uint8_t prefixlen;
                 uint32_t label;
 
diff --git a/src/network/networkd-address.c b/src/network/networkd-address.c
index 42d61cc0e5..600bad474d 100644
--- a/src/network/networkd-address.c
+++ b/src/network/networkd-address.c
@@ -490,7 +490,7 @@ int address_remove(
 }
 
 static int address_acquire(Link *link, Address *original, Address **ret) {
-        union in_addr_union in_addr = {};
+        union in_addr_union in_addr = IN_ADDR_NULL;
         struct in_addr broadcast = {};
         _cleanup_(address_freep) Address *na = NULL;
         int r;
diff --git a/src/network/networkd-manager.c b/src/network/networkd-manager.c
index 13e3d7f200..a842d131a5 100644
--- a/src/network/networkd-manager.c
+++ b/src/network/networkd-manager.c
@@ -266,7 +266,7 @@ int manager_rtnl_process_route(sd_netlink *rtnl, sd_netlink_message *message, vo
         unsigned char protocol, scope, tos, table, rt_type;
         int family;
         unsigned char dst_prefixlen, src_prefixlen;
-        union in_addr_union dst = {}, gw = {}, src = {}, prefsrc = {};
+        union in_addr_union dst = IN_ADDR_NULL, gw = IN_ADDR_NULL, src = IN_ADDR_NULL, prefsrc = IN_ADDR_NULL;
         Route *route = NULL;
         int r;
 
@@ -484,7 +484,7 @@ int manager_rtnl_process_address(sd_netlink *rtnl, sd_netlink_message *message,
         int family;
         unsigned char prefixlen;
         unsigned char scope;
-        union in_addr_union in_addr;
+        union in_addr_union in_addr = IN_ADDR_NULL;
         struct ifa_cacheinfo cinfo;
         Address *address = NULL;
         char buf[INET6_ADDRSTRLEN], valid_buf[FORMAT_TIMESPAN_MAX];
@@ -728,7 +728,7 @@ static int manager_rtnl_process_link(sd_netlink *rtnl, sd_netlink_message *messa
 int manager_rtnl_process_rule(sd_netlink *rtnl, sd_netlink_message *message, void *userdata) {
         uint8_t tos = 0, to_prefixlen = 0, from_prefixlen = 0, protocol = 0;
         struct fib_rule_port_range sport = {}, dport = {};
-        union in_addr_union to = {}, from = {};
+        union in_addr_union to = IN_ADDR_NULL, from = IN_ADDR_NULL;
         RoutingPolicyRule *rule = NULL;
         uint32_t fwmark = 0, table = 0;
         const char *iif = NULL, *oif = NULL;
diff --git a/src/network/test-network.c b/src/network/test-network.c
index 6e169e0fca..21ee97e84e 100644
--- a/src/network/test-network.c
+++ b/src/network/test-network.c
@@ -121,7 +121,7 @@ static int test_load_config(Manager *manager) {
 
 static void test_network_get(Manager *manager, sd_device *loopback) {
         Network *network;
-        const struct ether_addr mac = {};
+        const struct ether_addr mac = ETHER_ADDR_NULL;
 
         /* let's assume that the test machine does not have a .network file
            that applies to the loopback device... */