[PATCH 3.5 54/64] net: dst: provide accessor function to dst->xfrm

From: Luis Henriques
Date: Mon Oct 28 2013 - 10:51:49 EST -stable review patch. If anyone has any objections, please let me know.


From: Vlad Yasevich <vyasevich@xxxxxxxxx>

commit e87b3998d795123b4139bc3f25490dd236f68212 upstream.

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

Signed-off-by: Vlad Yasevich <vyasevich@xxxxxxxxx>
Acked-by: Neil Horman <nhorman@xxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
include/net/dst.h | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/include/net/dst.h b/include/net/dst.h
index 8197ead..1efe71a 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -464,10 +464,22 @@ 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 */

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/