[3.8.y.z extended stable] Patch "net: dst: provide accessor function to dst->xfrm" has been added to staging queue

Kamal Mostafa kamal at canonical.com
Fri Nov 1 21:43:42 UTC 2013

This is a note to let you know that I have just added a patch titled

    net: dst: provide accessor function to dst->xfrm

to the linux-3.8.y-queue branch of the 3.8.y.z extended stable tree 
which can be found at:


This patch is scheduled to be released in version

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.8.y.z tree, see



>From 7af12e773fa6f1460109abbcbbd8e28589cdb0a6 Mon Sep 17 00:00:00 2001
From: Vlad Yasevich <vyasevich at gmail.com>
Date: Tue, 15 Oct 2013 22:01:29 -0400
Subject: net: dst: provide accessor function to dst->xfrm

[ Upstream commit e87b3998d795123b4139bc3f25490dd236f68212 ]

dst->xfrm is conditionally defined.  Provide accessor funtion that
is always available.

Signed-off-by: Vlad Yasevich <vyasevich at gmail.com>
Acked-by: Neil Horman <nhorman at tuxdriver.com>
Signed-off-by: David S. Miller <davem at davemloft.net>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
 include/net/dst.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/include/net/dst.h b/include/net/dst.h
index b3ebe17..1cdf9a4 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -474,10 +474,22 @@ static inline struct dst_entry *xfrm_lookup(struct net *net,
 	return dst_orig;
+static inline struct xfrm_state *dst_xfrm(const struct dst_entry *dst)
+	return NULL;
 extern struct dst_entry *xfrm_lookup(struct net *net, struct dst_entry *dst_orig,
 				     const struct flowi *fl, struct sock *sk,
 				     int flags);
+/* skb attached with this dst needs transformation if dst->xfrm is valid */
+static inline struct xfrm_state *dst_xfrm(const struct dst_entry *dst)
+	return dst->xfrm;

 #endif /* _NET_DST_H */

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