l2tp: let pppol2tp_ioctl() fallback to dev_ioctl()
authorGuillaume Nault <g.nault@alphalink.fr>
Fri, 10 Aug 2018 11:22:03 +0000 (13:22 +0200)
committerDavid S. Miller <davem@davemloft.net>
Sat, 11 Aug 2018 19:13:49 +0000 (12:13 -0700)
commit4f5f85e9a70e13c8919e26609914253d18fbf858
treec7de707b44900ecbd33e1ca3c2b178988d0e5698
parent7390ed8a405013d0a7e1f4dc8ac495e0ac04996f
l2tp: let pppol2tp_ioctl() fallback to dev_ioctl()

Return -ENOIOCTLCMD for unknown ioctl commands. This lets dev_ioctl()
handle generic socket ioctls like SIOCGIFNAME or SIOCGIFINDEX.
PF_PPPOX/PX_PROTO_OL2TP was one of the few socket types not honouring
this mechanism.

Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/l2tp/l2tp_ppp.c