From: Jesper Dangaard Brouer <brouer@redhat.com>
Date: Thu, 17 Aug 2017 18:22:32 +0200
Subject: ixgbe: change ndo_xdp_xmit return code on xmit errors
Patch-mainline: v4.14-rc1
Git-commit: d2cee2e5d0106abb5da25f393b3c50e0bb01f7f9
References: bsc#1113994 FATE#326315 FATE#326317

Use errno -ENOSPC ("No space left on device") when the XDP xmit
have no space left on the TX ring buffer, instead of -ENOMEM.

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -9860,7 +9860,7 @@ static int ixgbe_xdp_xmit(struct net_dev
 
 	err = ixgbe_xmit_xdp_ring(adapter, xdp);
 	if (err != IXGBE_XDP_TX)
-		return -ENOMEM;
+		return -ENOSPC;
 
 	return 0;
 }