net: ethtool: don't require CAP_NET_ADMIN for ETHTOOL_GLINKSETTINGS

The ETHTOOL_GLINKSETTINGS command is deprecating the ETHTOOL_GSET
command and likewise it shouldn't require the CAP_NET_ADMIN capability.

Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 9774898..047a175 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -2479,6 +2479,7 @@
 	case ETHTOOL_GET_TS_INFO:
 	case ETHTOOL_GEEE:
 	case ETHTOOL_GTUNABLE:
+	case ETHTOOL_GLINKSETTINGS:
 		break;
 	default:
 		if (!ns_capable(net->user_ns, CAP_NET_ADMIN))