From: Andrew Boyer <andrew.boyer@dell.com>
Date: Mon, 28 Aug 2017 16:11:54 -0400
Subject: IB/rxe: Add dst_clone() in prepare_ipv6_hdr()
Patch-mainline: v4.14-rc1
Git-commit: 48c22be4abaf3925e8ff74fb3ce5214b082ca989
References: bsc#1050662 FATE#323951
Otherwise the reference count goes negative as IPv6 packets complete.
Fixes: 4ed6ad1eb30e ("IB/rxe: Cache dst in QP instead of getting it...")
Signed-off-by: Andrew Boyer <andrew.boyer@dell.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/sw/rxe/rxe_net.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/infiniband/sw/rxe/rxe_net.c
+++ b/drivers/infiniband/sw/rxe/rxe_net.c
@@ -342,7 +342,7 @@ static void prepare_ipv6_hdr(struct dst_
memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED
| IPSKB_REROUTED);
- skb_dst_set(skb, dst);
+ skb_dst_set(skb, dst_clone(dst));
__skb_push(skb, sizeof(*ip6h));
skb_reset_network_header(skb);