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Diffstat (limited to 'net/netfilter/nf_conntrack_helper.c')
-rw-r--r--net/netfilter/nf_conntrack_helper.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c
index 9c06b9f86ad..c39b6a99413 100644
--- a/net/netfilter/nf_conntrack_helper.c
+++ b/net/netfilter/nf_conntrack_helper.c
@@ -21,6 +21,7 @@
#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <linux/rculist.h>
+#include <linux/rtnetlink.h>
#include <net/netfilter/nf_conntrack.h>
#include <net/netfilter/nf_conntrack_l3proto.h>
@@ -167,10 +168,12 @@ void nf_conntrack_helper_unregister(struct nf_conntrack_helper *me)
*/
synchronize_rcu();
+ rtnl_lock();
spin_lock_bh(&nf_conntrack_lock);
for_each_net(net)
__nf_conntrack_helper_unregister(me, net);
spin_unlock_bh(&nf_conntrack_lock);
+ rtnl_unlock();
}
EXPORT_SYMBOL_GPL(nf_conntrack_helper_unregister);