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authorHangbin Liu <liuhangbin@gmail.com>2017-06-01 14:57:56 +0800
committerSteffen Klassert <steffen.klassert@secunet.com>2017-06-07 08:16:27 +0200
commitb81f884a547b5c264c13fdfaa3b65cf994bf1dcf (patch)
tree55148c38ede04d6e2960ffa5d09aa91d19cf301e
parentb29794ec95c6856b316c2295904208bf11ffddd9 (diff)
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xfrm: fix xfrm_dev_event() missing when compile without CONFIG_XFRM_OFFLOAD
In commit d77e38e612a0 ("xfrm: Add an IPsec hardware offloading API") we make xfrm_device.o only compiled when enable option CONFIG_XFRM_OFFLOAD. But this will make xfrm_dev_event() missing if we only enable default XFRM options. Then if we set down and unregister an interface with IPsec on it. there will no xfrm_garbage_collect(), which will cause dev usage count hold and get error like: unregister_netdevice: waiting for <dev> to become free. Usage count = 4 Fixes: d77e38e612a0 ("xfrm: Add an IPsec hardware offloading API") Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
-rw-r--r--include/net/xfrm.h7
-rw-r--r--net/xfrm/Makefile3
-rw-r--r--net/xfrm/xfrm_device.c2
3 files changed, 5 insertions, 7 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 7e7e2b0d2915..62f5a259e597 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1850,8 +1850,9 @@ static inline struct xfrm_offload *xfrm_offload(struct sk_buff *skb)
}
#endif
-#ifdef CONFIG_XFRM_OFFLOAD
void __net_init xfrm_dev_init(void);
+
+#ifdef CONFIG_XFRM_OFFLOAD
int validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t features);
int xfrm_dev_state_add(struct net *net, struct xfrm_state *x,
struct xfrm_user_offload *xuo);
@@ -1877,10 +1878,6 @@ static inline void xfrm_dev_state_free(struct xfrm_state *x)
}
}
#else
-static inline void __net_init xfrm_dev_init(void)
-{
-}
-
static inline int validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t features)
{
return 0;
diff --git a/net/xfrm/Makefile b/net/xfrm/Makefile
index abf81b329dc1..55b2ac300995 100644
--- a/net/xfrm/Makefile
+++ b/net/xfrm/Makefile
@@ -4,8 +4,7 @@
obj-$(CONFIG_XFRM) := xfrm_policy.o xfrm_state.o xfrm_hash.o \
xfrm_input.o xfrm_output.o \
- xfrm_sysctl.o xfrm_replay.o
-obj-$(CONFIG_XFRM_OFFLOAD) += xfrm_device.o
+ xfrm_sysctl.o xfrm_replay.o xfrm_device.o
obj-$(CONFIG_XFRM_STATISTICS) += xfrm_proc.o
obj-$(CONFIG_XFRM_ALGO) += xfrm_algo.o
obj-$(CONFIG_XFRM_USER) += xfrm_user.o
diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c
index 574e6f32f94f..5aba03685d7d 100644
--- a/net/xfrm/xfrm_device.c
+++ b/net/xfrm/xfrm_device.c
@@ -22,6 +22,7 @@
#include <net/xfrm.h>
#include <linux/notifier.h>
+#ifdef CONFIG_XFRM_OFFLOAD
int validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t features)
{
int err;
@@ -137,6 +138,7 @@ ok:
return true;
}
EXPORT_SYMBOL_GPL(xfrm_dev_offload_ok);
+#endif
int xfrm_dev_register(struct net_device *dev)
{