1 files changed, 1 insertions, 1 deletions

diff --git a/net/atm/raw.c b/net/atm/raw.c
index 2e17e97a7a8b..821c0797553d 100644
--- a/net/atm/raw.c
+++ b/net/atm/raw.c
@@ -35,7 +35,7 @@ static void atm_pop_raw(struct atm_vcc *vcc, struct sk_buff *skb)
 
         pr_debug("(%d) %d -= %d\n",
                  vcc->vci, sk_wmem_alloc_get(sk), skb->truesize);
-        atomic_sub(skb->truesize, &sk->sk_wmem_alloc);
+        WARN_ON(refcount_sub_and_test(skb->truesize, &sk->sk_wmem_alloc));
         dev_kfree_skb_any(skb);
         sk->sk_write_space(sk);
 }