1 files changed, 2 insertions, 1 deletions

diff --git a/net/core/sock.c b/net/core/sock.c
index e1f6f225f012..305cba401ae6 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1073,7 +1073,8 @@ static void __sk_free(struct sock *sk)
         if (sk->sk_destruct)
                 sk->sk_destruct(sk);
 
-        filter = rcu_dereference(sk->sk_filter);
+        filter = rcu_dereference_check(sk->sk_filter,
+                                       atomic_read(&sk->sk_wmem_alloc) == 0);
         if (filter) {
                 sk_filter_uncharge(sk, filter);
                 rcu_assign_pointer(sk->sk_filter, NULL);