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Gao Feng 0f16bc1355 driver: tun: Move tun check into the block of TUNSETIFF condition check 
When cmd is TUNSETIFF and tun is not null, the original codes go ahead,
then reach the default case of switch(cmd) and set the ret is -EINVAL.
It is not clear for readers.

Now move the tun check into the block of TUNSETIFF condition check, and
return -EEXIST instead of -EINVAL when the tfile already owns one tun.

Signed-off-by: Gao Feng <fgao@ikuai8.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2016-10-29 14:51:42 -04:00
..
appletalk net: deprecate eth_change_mtu, remove usage 2016-10-13 09:36:57 -04:00
arcnet
…
bonding net: bonding: Flip to the new dev walk API 2016-10-18 11:44:58 -04:00
caif virtio/vhost: new features for 4.8 2016-08-06 09:20:13 -04:00
can Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-10-02 22:20:41 -04:00
cris net: deprecate eth_change_mtu, remove usage 2016-10-13 09:36:57 -04:00
dsa net: dsa: mv88e6xxx: use setup_timer to simplify the code 2016-10-26 17:21:59 -04:00
ethernet mlxsw: switchx2: Set physical device for port netdevice 2016-10-28 13:45:52 -04:00
fddi net: use core MTU range checking in misc drivers 2016-10-20 14:51:10 -04:00
fjes net: use core MTU range checking in misc drivers 2016-10-20 14:51:10 -04:00
hamradio 6pack: fix buffer length mishandling 2016-09-20 22:51:30 -04:00
hippi net: use core MTU range checking in misc drivers 2016-10-20 14:51:10 -04:00
hyperv hv_netvsc: fix a race between netvsc_send() and netvsc_init_buf() 2016-10-21 11:27:31 -04:00
ieee802154 fakelb: fix schedule while atomic 2016-09-19 20:19:34 +02:00
ipvlan ipvlan: constify l3mdev_ops structure 2016-10-15 17:49:57 -04:00
irda
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phy net: phy: broadcom: Add support for BCM54612E 2016-10-26 17:15:26 -04:00
plip net: deprecate eth_change_mtu, remove usage 2016-10-13 09:36:57 -04:00
ppp ppp: declare PPP devices as LLTX 2016-08-31 14:33:09 -07:00
slip net: use core MTU range checking in misc drivers 2016-10-20 14:51:10 -04:00
team genetlink: mark families as __ro_after_init 2016-10-27 16:16:09 -04:00
usb net: use core MTU range checking in USB NIC drivers 2016-10-20 14:51:08 -04:00
vmxnet3 net: use core MTU range checking in virt drivers 2016-10-20 14:51:09 -04:00
wan net: use core MTU range checking in WAN drivers 2016-10-20 14:51:09 -04:00
wimax net: use core MTU range checking in wireless drivers 2016-10-20 14:51:08 -04:00
wireless genetlink: mark families as __ro_after_init 2016-10-27 16:16:09 -04:00
xen-netback net: use core MTU range checking in virt drivers 2016-10-20 14:51:09 -04:00
Kconfig ipvlan: Fix dependency issue 2016-09-20 22:55:23 -04:00
LICENSE.SRC
…
Makefile
…
Space.c
…
dummy.c
…
eql.c
…
geneve.c net: use core MTU range checking in core net infra 2016-10-20 14:51:09 -04:00
gtp.c genetlink: mark families as __ro_after_init 2016-10-27 16:16:09 -04:00
ifb.c
…
loopback.c
…
macsec.c genetlink: mark families as __ro_after_init 2016-10-27 16:16:09 -04:00
macvlan.c net: use core MTU range checking in core net infra 2016-10-20 14:51:09 -04:00
macvtap.c macvtap: fix use after free for skb_array during release 2016-08-11 09:55:51 -07:00
mdio.c
…
mii.c
…
netconsole.c
…
nlmon.c
…
ntb_netdev.c net: use core MTU range checking in core net infra 2016-10-20 14:51:09 -04:00
rionet.c net: use core MTU range checking in misc drivers 2016-10-20 14:51:10 -04:00
sb1000.c net: deprecate eth_change_mtu, remove usage 2016-10-13 09:36:57 -04:00
sungem_phy.c
…
tun.c driver: tun: Move tun check into the block of TUNSETIFF condition check 2016-10-29 14:51:42 -04:00
veth.c net: use core MTU range checking in core net infra 2016-10-20 14:51:09 -04:00
virtio_net.c virtio-net: Update the mtu code to match virtio spec 2016-10-29 11:58:51 -04:00
vrf.c net: vrf: Remove RT_FL_TOS 2016-09-17 10:05:05 -04:00
vxlan.c net: use core MTU range checking in core net infra 2016-10-20 14:51:09 -04:00
xen-netfront.c net: use core MTU range checking in virt drivers 2016-10-20 14:51:09 -04:00