vmxnet3: fix compilation when RSS is disabled

If RSS is disabled, we can ifdef out some RSS specific code. This fixes
the compile error found by Randy Dunlap.

Signed-off-by: Scott J. Goldman <[e-mail]>
Reviewed-by: Bhavesh Davda <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/vmxnet3/vmxnet3_ethtool.c

···
 	return -EOPNOTSUPP;
 }
 
-
+#ifdef VMXNET3_RSS
 static int
 vmxnet3_get_rss_indir(struct net_device *netdev,
 		      struct ethtool_rxfh_indir *p)
···
 	return 0;
 
 }
+#endif
 
 static struct ethtool_ops vmxnet3_ethtool_ops = {
 	.get_settings      = vmxnet3_get_settings,
···
 	.get_ringparam     = vmxnet3_get_ringparam,
 	.set_ringparam     = vmxnet3_set_ringparam,
 	.get_rxnfc         = vmxnet3_get_rxnfc,
+#ifdef VMXNET3_RSS
 	.get_rxfh_indir    = vmxnet3_get_rss_indir,
 	.set_rxfh_indir    = vmxnet3_set_rss_indir,
+#endif
 };
 
 void vmxnet3_set_ethtool_ops(struct net_device *netdev)