diff options
Diffstat (limited to 'net/core/skmsg.c')
| -rw-r--r-- | net/core/skmsg.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/net/core/skmsg.c b/net/core/skmsg.c index 8b248d289c11..4b297d67edb7 100644 --- a/net/core/skmsg.c +++ b/net/core/skmsg.c @@ -497,23 +497,27 @@ bool sk_msg_is_readable(struct sock *sk) } EXPORT_SYMBOL_GPL(sk_msg_is_readable); -static struct sk_msg *sk_psock_create_ingress_msg(struct sock *sk, - struct sk_buff *skb) +static struct sk_msg *alloc_sk_msg(void) { struct sk_msg *msg; - if (atomic_read(&sk->sk_rmem_alloc) > sk->sk_rcvbuf) + msg = kzalloc(sizeof(*msg), __GFP_NOWARN | GFP_KERNEL); + if (unlikely(!msg)) return NULL; + sg_init_marker(msg->sg.data, NR_MSG_FRAG_IDS); + return msg; +} - if (!sk_rmem_schedule(sk, skb, skb->truesize)) +static struct sk_msg *sk_psock_create_ingress_msg(struct sock *sk, + struct sk_buff *skb) +{ + if (atomic_read(&sk->sk_rmem_alloc) > sk->sk_rcvbuf) return NULL; - msg = kzalloc(sizeof(*msg), __GFP_NOWARN | GFP_KERNEL); - if (unlikely(!msg)) + if (!sk_rmem_schedule(sk, skb, skb->truesize)) return NULL; - sk_msg_init(msg); - return msg; + return alloc_sk_msg(); } static int sk_psock_skb_ingress_enqueue(struct sk_buff *skb, @@ -590,13 +594,12 @@ static int sk_psock_skb_ingress(struct sk_psock *psock, struct sk_buff *skb, static int sk_psock_skb_ingress_self(struct sk_psock *psock, struct sk_buff *skb, u32 off, u32 len) { - struct sk_msg *msg = kzalloc(sizeof(*msg), __GFP_NOWARN | GFP_ATOMIC); + struct sk_msg *msg = alloc_sk_msg(); struct sock *sk = psock->sk; int err; if (unlikely(!msg)) return -EAGAIN; - sk_msg_init(msg); skb_set_owner_r(skb, sk); err = sk_psock_skb_ingress_enqueue(skb, off, len, psock, sk, msg); if (err < 0) |