linux-kernel - [PATCH 3.16.y-ckt 218/254] gre6: Move the setting of dev->iflink into the ndo

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Date:	Tue, 25 Nov 2014 10:39:28 +0000
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Steffen Klassert <steffen.klassert@...unet.com>,
	"David S. Miller" <davem@...emloft.net>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.16.y-ckt 218/254] gre6: Move the setting of dev->iflink into the ndo_init functions.

3.16.7-ckt2 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Steffen Klassert <steffen.klassert@...unet.com>

commit f03eb128e3f4276f46442d14f3b8f864f3775821 upstream.

Otherwise it gets overwritten by register_netdev().

Signed-off-by: Steffen Klassert <steffen.klassert@...unet.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 net/ipv6/ip6_gre.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 43bc1fc24621..c3ba41cef1df 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -953,8 +953,6 @@ static void ip6gre_tnl_link_config(struct ip6_tnl *t, int set_mtu)
 	else
 		dev->flags &= ~IFF_POINTOPOINT;
 
-	dev->iflink = p->link;
-
 	/* Precalculate GRE options length */
 	if (t->parms.o_flags&(GRE_CSUM|GRE_KEY|GRE_SEQ)) {
 		if (t->parms.o_flags&GRE_CSUM)
@@ -1262,6 +1260,7 @@ static int ip6gre_tunnel_init(struct net_device *dev)
 		u64_stats_init(&ip6gre_tunnel_stats->syncp);
 	}
 
+	dev->iflink = tunnel->parms.link;
 
 	return 0;
 }
@@ -1470,6 +1469,8 @@ static int ip6gre_tap_init(struct net_device *dev)
 	if (!dev->tstats)
 		return -ENOMEM;
 
+	dev->iflink = tunnel->parms.link;
+
 	return 0;
 }
 
-- 
2.1.0

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