network: drop redundant Link::kind check

All CAN devices' iftype are ARPHRD_CAN. So, checking Link::kind is
redundant.

Follow-up for c6ac3729c9ece63185a3c4e7bc1970b98d2feb01.

diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 64e8bac7ae26a8eb08eb1824716869eae1177107..17d37c1617232abb5b93555ff1d0bb5479950a07 100644 (file)
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -90,13 +90,6 @@ int link_sysctl_ipv6_enabled(Link *link) {
         return link->sysctl_ipv6_enabled;
 }
 
-static bool link_is_can(Link *link) {
-        assert(link);
-
-        return link->iftype == ARPHRD_CAN ||
-                STRPTR_IN_SET(link->kind, "can", "vcan", "vxcan");
-}
-
 static bool link_dhcp6_enabled(Link *link) {
         assert(link);
 
@@ -112,7 +105,7 @@ static bool link_dhcp6_enabled(Link *link) {
         if (link->network->bond)
                 return false;
 
-        if (link_is_can(link))
+        if (link->iftype == ARPHRD_CAN)
                 return false;
 
         if (link_sysctl_ipv6_enabled(link) == 0)
@@ -133,7 +126,7 @@ static bool link_dhcp4_enabled(Link *link) {
         if (link->network->bond)
                 return false;
 
-        if (link_is_can(link))
+        if (link->iftype == ARPHRD_CAN)
                 return false;
 
         return link->network->dhcp & ADDRESS_FAMILY_IPV4;
@@ -151,7 +144,7 @@ static bool link_dhcp4_server_enabled(Link *link) {
         if (link->network->bond)
                 return false;
 
-        if (link_is_can(link))
+        if (link->iftype == ARPHRD_CAN)
                 return false;
 
         return link->network->dhcp_server;
@@ -167,7 +160,7 @@ bool link_ipv4ll_enabled(Link *link, AddressFamilyBoolean mask) {
         if (!link->network)
                 return false;
 
-        if (link_is_can(link))
+        if (link->iftype == ARPHRD_CAN)
                 return false;
 
         if (STRPTR_IN_SET(link->kind,
@@ -197,7 +190,7 @@ static bool link_ipv6ll_enabled(Link *link) {
         if (!link->network)
                 return false;
 
-        if (link_is_can(link))
+        if (link->iftype == ARPHRD_CAN)
                 return false;
 
         if (STRPTR_IN_SET(link->kind, "vrf", "wireguard", "ipip", "gre", "sit", "vti", "nlmon"))
@@ -224,7 +217,7 @@ static bool link_ipv6_enabled(Link *link) {
         if (link_sysctl_ipv6_enabled(link) == 0)
                 return false;
 
-        if (link_is_can(link))
+        if (link->iftype == ARPHRD_CAN)
                 return false;
 
         /* DHCPv6 client will not be started if no IPv6 link-local address is configured. */
@@ -2508,7 +2501,7 @@ static int link_configure(Link *link) {
         assert(link->network);
         assert(link->state == LINK_STATE_INITIALIZED);
 
-        if (link_is_can(link))
+        if (link->iftype == ARPHRD_CAN)
                 return link_configure_can(link);
 
         /* Drop foreign config, but ignore loopback or critical devices.