From: Leon Romanovsky <leonro@nvidia.com>
Date: Thu, 5 May 2022 13:06:39 +0300
Subject: xfrm: delete not used number of external headers
Patch-mainline: v5.19-rc1
Git-commit: a36708e646586f74d073199828ed878b223e988d
References: jsc#PED-373

num_exthdrs is set but never used, so delete it.

Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 include/net/xfrm.h     |    1 -
 net/xfrm/xfrm_device.c |    2 --
 2 files changed, 3 deletions(-)

--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -131,7 +131,6 @@ struct xfrm_state_offload {
 	netdevice_tracker	dev_tracker;
 	struct net_device	*real_dev;
 	unsigned long		offload_handle;
-	unsigned int		num_exthdrs;
 	u8			flags;
 };
 
--- a/net/xfrm/xfrm_device.c
+++ b/net/xfrm/xfrm_device.c
@@ -264,13 +264,11 @@ int xfrm_dev_state_add(struct net *net,
 	xso->dev = dev;
 	netdev_tracker_alloc(dev, &xso->dev_tracker, GFP_ATOMIC);
 	xso->real_dev = dev;
-	xso->num_exthdrs = 1;
 	/* Don't forward bit that is not implemented */
 	xso->flags = xuo->flags & ~XFRM_OFFLOAD_IPV6;
 
 	err = dev->xfrmdev_ops->xdo_dev_state_add(x);
 	if (err) {
-		xso->num_exthdrs = 0;
 		xso->flags = 0;
 		xso->dev = NULL;
 		xso->real_dev = NULL;