From: Andrew Boyer <andrew.boyer@dell.com>
Date: Mon, 28 Aug 2017 20:11:54 +0000 (-0400)
Subject: IB/rxe: Add dst_clone() in prepare_ipv6_hdr()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=48c22be4abaf3925e8ff74fb3ce5214b082ca989;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

IB/rxe: Add dst_clone() in prepare_ipv6_hdr()

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>
---

diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c
index a93ae3a90ff0..3fbbadc5eb47 100644
--- 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_entry *dst, struct sk_buff *skb,
 	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);