X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=include%2Fnet%2Fllc.h;h=df282d9b401704626b1824c70600c993a4ee1bb7;hb=4fdc202dba40b52afd7975eded2f2581c526d81d;hp=dc35f25eb679d4651b59a20c785005aa0cbb4d0f;hpb=0ef76878cfcf4d6b64972b283021f576a95d9216;p=mirror_ubuntu-bionic-kernel.git

diff --git a/include/net/llc.h b/include/net/llc.h
index dc35f25eb679..df282d9b4017 100644
--- a/include/net/llc.h
+++ b/include/net/llc.h
@@ -66,6 +66,7 @@ struct llc_sap {
 	int sk_count;
 	struct hlist_nulls_head sk_laddr_hash[LLC_SK_LADDR_HASH_ENTRIES];
 	struct hlist_head sk_dev_hash[LLC_SK_DEV_HASH_ENTRIES];
+	struct rcu_head rcu;
 };
 
 static inline
@@ -116,6 +117,11 @@ static inline void llc_sap_hold(struct llc_sap *sap)
 	refcount_inc(&sap->refcnt);
 }
 
+static inline bool llc_sap_hold_safe(struct llc_sap *sap)
+{
+	return refcount_inc_not_zero(&sap->refcnt);
+}
+
 void llc_sap_close(struct llc_sap *sap);
 
 static inline void llc_sap_put(struct llc_sap *sap)