From: Johannes Berg <[email protected]>

If 802.15.4 isn't configured, there's no need to provide the
network namespace support for it, so don't.

Signed-off-by: Johannes Berg <[email protected]>
---
 backport/backport-include/net/net_namespace.h | 5 ++++-
 backport/compat/backport-3.15.c               | 2 ++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/backport/backport-include/net/net_namespace.h 
b/backport/backport-include/net/net_namespace.h
index 3ea5d4662c27..ad0f03096361 100644
--- a/backport/backport-include/net/net_namespace.h
+++ b/backport/backport-include/net/net_namespace.h
@@ -1,9 +1,11 @@
 #ifndef _COMPAT_NET_NET_NAMESPACE_H
 #define _COMPAT_NET_NET_NAMESPACE_H 1
 
+#include_next <net/net_namespace.h>
+
+#ifdef CPTCFG_IEEE802154_6LOWPAN
 #include <linux/version.h>
 #include <net/netns/ieee802154_6lowpan.h>
-#include_next <net/net_namespace.h>
 
 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,15,0))
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0))
@@ -22,5 +24,6 @@ net_ieee802154_lowpan(struct net *net)
        return &net->ieee802154_lowpan;
 }
 #endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3,15,0) */
+#endif /* CPTCFG_IEEE802154_6LOWPAN */
 
 #endif /* _COMPAT_NET_NET_NAMESPACE_H */
diff --git a/backport/compat/backport-3.15.c b/backport/compat/backport-3.15.c
index 545e0c297ea6..767722e8ac6d 100644
--- a/backport/compat/backport-3.15.c
+++ b/backport/compat/backport-3.15.c
@@ -14,6 +14,7 @@
 #include <linux/of.h>
 #include <net/net_namespace.h>
 
+#ifdef CPTCFG_IEEE802154_6LOWPAN
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0))
 /* the above kernel dependency is set to match the dependencies file */
 struct netns_ieee802154_lowpan ieee802154_lowpan;
@@ -25,6 +26,7 @@ struct netns_ieee802154_lowpan *net_ieee802154_lowpan(struct 
net *net)
 }
 EXPORT_SYMBOL_GPL(net_ieee802154_lowpan);
 #endif
+#endif /* CPTCFG_IEEE802154_6LOWPAN */
 
 /**
  * devm_kstrdup - Allocate resource managed space and
-- 
2.0.0.rc0

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