diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index f11345e163d7..3c8d8142e8c6 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -18,7 +18,6 @@
 #include "hard-interface.h"
 #include "main.h"
 
-#include <linux/bug.h>
 #include <linux/byteorder/generic.h>
 #include <linux/errno.h>
 #include <linux/fs.h>
@@ -104,8 +103,10 @@ static bool batadv_is_on_batman_iface(const struct net_device *net_dev)
 	/* recurse over the parent device */
 	parent_dev = __dev_get_by_index(&init_net, dev_get_iflink(net_dev));
 	/* if we got a NULL parent_dev there is something broken.. */
-	if (WARN(!parent_dev, "Cannot find parent device"))
+	if (!parent_dev) {
+		pr_err("Cannot find parent device\n");
 		return false;
+	}
 
 	ret = batadv_is_on_batman_iface(parent_dev);