Commit 4f5f85e9 authored Aug 10, 2018 by Guillaume Nault Committed by David S. Miller Aug 11, 2018

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>

parent 7390ed8a

net/l2tp/l2tp_ppp.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1137,7 +1137,7 @@ static int pppol2tp_ioctl(struct socket *sock, unsigned int cmd,
		break;

		default:
		return -ENOSYS;
		return -ENOIOCTLCMD;
		}

		return 0;