Fix a few return codes in error paths

[elogind.git] / src / network / networkd-netdev.c

diff --git a/src/network/networkd-netdev.c b/src/network/networkd-netdev.c
index e333c47b1f724659b63885c0ae82f8e86f8b6ebf..92548d96f086320eec4be69ce9639f7714dda97f 100644 (file)
--- a/src/network/networkd-netdev.c
+++ b/src/network/networkd-netdev.c
@@ -146,6 +146,9 @@ static int netdev_enter_ready(NetDev *netdev) {
         assert(netdev);
         assert(netdev->name);
 
+        if (netdev->state != NETDEV_STATE_CREATING)
+                return 0;
+
         netdev->state = NETDEV_STATE_READY;
 
         log_info_netdev(netdev, "netdev ready");
@@ -291,52 +294,42 @@ static int netdev_create(NetDev *netdev, Link *link, sd_rtnl_message_handler_t c
                 return -EINVAL;
         }
 
-        r = sd_rtnl_message_append_string(req, IFLA_INFO_KIND, kind);
+        r = sd_rtnl_message_open_container_union(req, IFLA_INFO_DATA, kind);
         if (r < 0) {
                 log_error_netdev(netdev,
-                                 "Could not append IFLA_INFO_KIND attribute: %s",
-                                 strerror(-r));
+                                 "Could not open IFLA_INFO_DATA container: %s",
+                                  strerror(-r));
                 return r;
         }
 
-        if (netdev->vlanid <= VLANID_MAX || netdev->macvlan_mode != _NETDEV_MACVLAN_MODE_INVALID) {
-                r = sd_rtnl_message_open_container(req, IFLA_INFO_DATA);
+        if (netdev->vlanid <= VLANID_MAX) {
+                r = sd_rtnl_message_append_u16(req, IFLA_VLAN_ID, netdev->vlanid);
                 if (r < 0) {
                         log_error_netdev(netdev,
-                                         "Could not open IFLA_INFO_DATA container: %s",
+                                         "Could not append IFLA_VLAN_ID attribute: %s",
                                          strerror(-r));
                         return r;
                 }
+        }
 
-                if (netdev->vlanid <= VLANID_MAX) {
-                        r = sd_rtnl_message_append_u16(req, IFLA_VLAN_ID, netdev->vlanid);
-                        if (r < 0) {
-                                log_error_netdev(netdev,
-                                                 "Could not append IFLA_VLAN_ID attribute: %s",
-                                                 strerror(-r));
-                                return r;
-                        }
-                }
-
-                if (netdev->macvlan_mode != _NETDEV_MACVLAN_MODE_INVALID) {
-                        r = sd_rtnl_message_append_u32(req, IFLA_MACVLAN_MODE, netdev->macvlan_mode);
-                        if (r < 0) {
-                                log_error_netdev(netdev,
-                                                 "Could not append IFLA_MACVLAN_MODE attribute: %s",
-                                                 strerror(-r));
-                                return r;
-                        }
-                }
-
-                r = sd_rtnl_message_close_container(req);
-                if (r < 0) {
-                        log_error_netdev(netdev,
-                                         "Could not close IFLA_INFO_DATA container %s",
-                                         strerror(-r));
+        if (netdev->macvlan_mode != _NETDEV_MACVLAN_MODE_INVALID) {
+        r = sd_rtnl_message_append_u32(req, IFLA_MACVLAN_MODE, netdev->macvlan_mode);
+        if (r < 0) {
+                log_error_netdev(netdev,
+                                 "Could not append IFLA_MACVLAN_MODE attribute: %s",
+                                 strerror(-r));
                         return r;
                 }
         }
 
+        r = sd_rtnl_message_close_container(req);
+        if (r < 0) {
+                log_error_netdev(netdev,
+                                 "Could not close IFLA_INFO_DATA container %s",
+                                 strerror(-r));
+                return r;
+        }
+
         r = sd_rtnl_message_close_container(req);
         if (r < 0) {
                 log_error_netdev(netdev,
@@ -395,11 +388,15 @@ int netdev_set_ifindex(NetDev *netdev, sd_rtnl_message *message) {
         assert(message);
 
         r = sd_rtnl_message_get_type(message, &type);
-        if (r < 0)
+        if (r < 0) {
+                log_error_netdev(netdev, "Could not get rtnl message type");
                 return r;
+        }
 
-        if (type != RTM_NEWLINK)
+        if (type != RTM_NEWLINK) {
+                log_error_netdev(netdev, "Can not set ifindex from unexpected rtnl message type");
                 return -EINVAL;
+        }
 
         r = sd_rtnl_message_enter_container(message, IFLA_LINKINFO);
         if (r < 0) {
@@ -437,11 +434,11 @@ int netdev_set_ifindex(NetDev *netdev, sd_rtnl_message *message) {
                 return r;
         }
 
-        if (netdev->ifindex > 0) {
-                if (netdev->ifindex == ifindex)
-                        return 0;
-                else
-                        return -EEXIST;
+        if (netdev->ifindex > 0 && netdev->ifindex != ifindex) {
+                log_error_netdev(netdev, "Could not set ifindex to %d, already set to %d",
+                                 ifindex, netdev->ifindex);
+                netdev_enter_failed(netdev);
+                return -EEXIST;
         }
 
         netdev->ifindex = ifindex;
@@ -464,7 +461,7 @@ static int netdev_load_one(Manager *manager, const char *filename) {
                 if (errno == ENOENT)
                         return 0;
                 else
-                        return errno;
+                        return -errno;
         }
 
         netdev = new0(NetDev, 1);