WAN: Generic HDLC now uses IFF_WAN_HDLC private flag.

Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 3 insertions, 1 deletions

diff --git a/drivers/net/wan/hdlc.c b/drivers/net/wan/hdlc.c
index 1f2a140c9f7c..d83cd7884e05 100644
--- a/drivers/net/wan/hdlc.c
+++ b/drivers/net/wan/hdlc.c
@@ -106,7 +106,7 @@ static int hdlc_device_event(struct notifier_block *this, unsigned long event,
         if (dev_net(dev) != &init_net)
                 return NOTIFY_DONE;
 
-        if (dev->get_stats != hdlc_get_stats)
+        if (!(dev->priv_flags & IFF_WAN_HDLC))
                 return NOTIFY_DONE; /* not an HDLC device */
 
         if (event != NETDEV_CHANGE)
@@ -235,6 +235,7 @@ static void hdlc_setup_dev(struct net_device *dev)
          */
         dev->get_stats           = hdlc_get_stats;
         dev->flags               = IFF_POINTOPOINT | IFF_NOARP;
+        dev->priv_flags          = IFF_WAN_HDLC;
         dev->mtu                 = HDLC_MAX_MTU;
         dev->type                = ARPHRD_RAWHDLC;
         dev->hard_header_len     = 16;
diff --git a/include/linux/if.h b/include/linux/if.h
index 2a6e29620a96..1108f3e099e3 100644
--- a/include/linux/if.h
+++ b/include/linux/if.h
@@ -66,6 +66,7 @@
 #define IFF_SLAVE_NEEDARP 0x40          /* need ARPs for validation     */
 #define IFF_ISATAP      0x80            /* ISATAP interface (RFC4214)   */
 #define IFF_MASTER_ARPMON 0x100         /* bonding master, ARP mon in use */
+#define IFF_WAN_HDLC    0x200           /* WAN HDLC device              */
 
 #define IF_GET_IFACE    0x0001          /* for querying only */
 #define IF_GET_PROTO    0x0002