diff --git a/net/ipv6/ila/ila_xlat.c b/net/ipv6/ila/ila_xlat.c
index 7646e401c630439c972b35a621cb9311fec19bec..1d41b2ab48846ca77623bb0c18b113cbe95a4440 100644
--- a/net/ipv6/ila/ila_xlat.c
+++ b/net/ipv6/ila/ila_xlat.c
@@ -195,6 +195,8 @@ static const struct nf_hook_ops ila_nf_hook_ops[] = {
        },
 };
 
+static DEFINE_MUTEX(ila_mutex);
+
 static int ila_add_mapping(struct net *net, struct ila_xlat_params *xp)
 {
        struct ila_net *ilan = net_generic(net, ila_net_id);
@@ -202,16 +204,20 @@ static int ila_add_mapping(struct net *net, struct ila_xlat_params *xp)
        spinlock_t *lock = ila_get_lock(ilan, xp->ip.locator_match);
        int err = 0, order;
 
-       if (!ilan->xlat.hooks_registered) {
+       if (!READ_ONCE(ilan->xlat.hooks_registered)) {
                /* We defer registering net hooks in the namespace until the
                 * first mapping is added.
                 */
-               err = nf_register_net_hooks(net, ila_nf_hook_ops,
-                                           ARRAY_SIZE(ila_nf_hook_ops));
+               mutex_lock(&ila_mutex);
+               if (!ilan->xlat.hooks_registered) {
+                       err = nf_register_net_hooks(net, ila_nf_hook_ops,
+                                               ARRAY_SIZE(ila_nf_hook_ops));
+                       if (!err)
+                               WRITE_ONCE(ilan->xlat.hooks_registered, true);
+               }
+               mutex_unlock(&ila_mutex);
                if (err)
                        return err;
-
-               ilan->xlat.hooks_registered = true;
        }
 
        ila = kzalloc(sizeof(*ila), GFP_KERNEL);