This function was renamed in this commit in mainline linux:
commit
f06c7f9f92295faf701a9628b383156c4efb6119
Author: dingtianhong <dingtianhong@huawei.com>
Date: Fri May 9 14:58:05 2014 +0800
vlan: rename __vlan_find_dev_deep() to __vlan_find_dev_deep_rcu()
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
#define VLAN_PRIO_SHIFT 13
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,16,0)
+#define __vlan_find_dev_deep_rcu(real_dev, vlan_proto, vlan_id) __vlan_find_dev_deep(real_dev, vlan_proto, vlan_id)
+#endif
+
#endif /* __BACKPORT_LINUX_IF_VLAN_H_ */