networkd: check return value

CID 1408497.
2019-12-05 18:19:06 +01:00
parent 5ebbb45bde
commit 14bb274d3f
1 changed files with 3 additions and 1 deletions
@@ -180,7 +180,9 @@ int br_vlan_configure(Link *link, uint16_t pvid, uint32_t *br_vid_bitmap, uint32
        /* master needs flag self */
        if (!link->network->bridge) {
                flags = BRIDGE_FLAGS_SELF;
-                sd_netlink_message_append_data(req, IFLA_BRIDGE_FLAGS, &flags, sizeof(uint16_t));
+                r = sd_netlink_message_append_data(req, IFLA_BRIDGE_FLAGS, &flags, sizeof(uint16_t));
+                if (r < 0)
+                        return log_link_error_errno(link, r, "Could not open IFLA_BRIDGE_FLAGS: %m");
        }

        /* add vlan info */