diff options
Diffstat (limited to 'include/net/sock.h')
| -rw-r--r-- | include/net/sock.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 4bb1ff9fd15b..95bd3fd75f94 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -218,9 +218,11 @@ struct sock { #define sk_hash __sk_common.skc_hash #define sk_prot __sk_common.skc_prot #define sk_net __sk_common.skc_net + kmemcheck_bitfield_begin(flags); unsigned char sk_shutdown : 2, sk_no_check : 2, sk_userlocks : 4; + kmemcheck_bitfield_end(flags); unsigned char sk_protocol; unsigned short sk_type; int sk_rcvbuf; @@ -1217,9 +1219,13 @@ static inline int skb_copy_to_page(struct sock *sk, char __user *from, static inline void skb_set_owner_w(struct sk_buff *skb, struct sock *sk) { - sock_hold(sk); skb->sk = sk; skb->destructor = sock_wfree; + /* + * We used to take a refcount on sk, but following operation + * is enough to guarantee sk_free() wont free this sock until + * all in-flight packets are completed + */ atomic_add(skb->truesize, &sk->sk_wmem_alloc); } |