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Diffstat (limited to 'net/core/sock.c')
-rw-r--r--net/core/sock.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/net/core/sock.c b/net/core/sock.c
index 9c708a5fb751..bd2fad27891e 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1690,17 +1690,17 @@ EXPORT_SYMBOL(skb_set_owner_w);
void skb_orphan_partial(struct sk_buff *skb)
{
- /* TCP stack sets skb->ooo_okay based on sk_wmem_alloc,
- * so we do not completely orphan skb, but transfert all
- * accounted bytes but one, to avoid unexpected reorders.
- */
if (skb->destructor == sock_wfree
#ifdef CONFIG_INET
|| skb->destructor == tcp_wfree
#endif
) {
- atomic_sub(skb->truesize - 1, &skb->sk->sk_wmem_alloc);
- skb->truesize = 1;
+ struct sock *sk = skb->sk;
+
+ if (atomic_inc_not_zero(&sk->sk_refcnt)) {
+ atomic_sub(skb->truesize, &sk->sk_wmem_alloc);
+ skb->destructor = sock_efree;
+ }
} else {
skb_orphan(skb);
}