[PATCH net-next] staging: octeon: fix build failure with XFRM enabled

[Florian Westphal]

skb->sp doesn't exist anymore in the next-next tree, so mips defconfig
no longer builds.  Use helper instead to reset the secpath.

Not even compile tested.

Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Reported-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Fixes: 4165079ba328d ("net: switch secpath to use skb extension infrastructure")
Signed-off-by: Florian Westphal <fw@xxxxxxxxx>
---
 Greg, David:

 The patch will not break build for a tree that lacks the 'Fixes'
 commit, so this can also go in via staging tree.
 OTOH, net-next build is broken for mips/octeon, so I think in
 this case net-next might make more sense?

diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c
index df3441b815bb..317c9720467c 100644
--- a/drivers/staging/octeon/ethernet-tx.c
+++ b/drivers/staging/octeon/ethernet-tx.c
@@ -359,8 +359,7 @@ int cvm_oct_xmit(struct sk_buff *skb, struct net_device *dev)
 	dst_release(skb_dst(skb));
 	skb_dst_set(skb, NULL);
 #ifdef CONFIG_XFRM
-	secpath_put(skb->sp);
-	skb->sp = NULL;
+	secpath_reset(skb);
 #endif
 	nf_reset(skb);
 
-- 
2.19.2