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authorAndrew Lunn <andrew@lunn.ch>2015-12-03 20:12:31 (GMT)
committerDavid S. Miller <davem@davemloft.net>2015-12-05 22:41:42 (GMT)
commit2f8364a291e8adde25c93f97a76abbcaf4b1ed3f (patch)
tree7b7e3de286880cf4938c00803df3a1ec32d22997 /drivers/net/wan/hdlc_raw.c
parentff3516442768f0babe7ea2db62e34aee1d76e969 (diff)
downloadlinux-2f8364a291e8adde25c93f97a76abbcaf4b1ed3f.tar.xz
WAN: HDLC: Call notifiers before and after changing device type
An HDLC device can change type when the protocol driver is changed. Calling the notifier change allows potential users of the interface know about this planned change, and even block it. After the change has occurred, send a second notification to users can evaluate the new device type etc. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/wan/hdlc_raw.c')
-rw-r--r--drivers/net/wan/hdlc_raw.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wan/hdlc_raw.c b/drivers/net/wan/hdlc_raw.c
index 5dc153e..4feb450 100644
--- a/drivers/net/wan/hdlc_raw.c
+++ b/drivers/net/wan/hdlc_raw.c
@@ -84,6 +84,7 @@ static int raw_ioctl(struct net_device *dev, struct ifreq *ifr)
return result;
memcpy(hdlc->state, &new_settings, size);
dev->type = ARPHRD_RAWHDLC;
+ call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev);
netif_dormant_off(dev);
return 0;
}