confile: cleanup get_config_net_hwaddr()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/src/lxc/confile.c b/src/lxc/confile.c
index 1a89f78e7a97fb7ee7812816102597ff05fd8c80..89e91ed5acd96f0ae14b855c4ef9cc763113780d 100644 (file)
--- a/src/lxc/confile.c
+++ b/src/lxc/confile.c
@@ -5933,7 +5933,7 @@ static int get_config_net_hwaddr(const char *key, char *retv, int inlen,
                memset(retv, 0, inlen);
 
        if (!netdev)
-               return -1;
+               return ret_errno(EINVAL);
 
        if (netdev->hwaddr)
                strprint(retv, inlen, "%s", netdev->hwaddr);