interface: suppress unnecessary device config overrides

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

diff --git a/config.c b/config.c
index 43b92057d343170e66fcf12d2d58e5c7fe6cf73e..4e91e1854e5bca3404e9b33f6077dea201750532 100644 (file)
--- a/config.c
+++ b/config.c
@@ -136,7 +136,8 @@ config_parse_interface(struct uci_section *s, bool alias)
        if (blob_len(b.head) == 0)
                return;
 
-       device_set_config(dev, dev->type, b.head);
+       if (iface->device_config && dev->default_config)
+               device_set_config(dev, dev->type, b.head);
        return;
 error_free_config:
        free(config);