diff options
| -rw-r--r-- | net/xdp/xsk.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c index d4d6f10aa936..b994c32a664a 100644 --- a/net/xdp/xsk.c +++ b/net/xdp/xsk.c @@ -240,6 +240,9 @@ static int xsk_generic_xmit(struct sock *sk, struct msghdr *m, mutex_lock(&xs->mutex); + if (xs->queue_id >= xs->dev->real_num_tx_queues) + goto out; + while (xskq_peek_desc(xs->tx, &desc)) { char *buffer; u64 addr; @@ -250,12 +253,6 @@ static int xsk_generic_xmit(struct sock *sk, struct msghdr *m, goto out; } - if (xskq_reserve_addr(xs->umem->cq)) - goto out; - - if (xs->queue_id >= xs->dev->real_num_tx_queues) - goto out; - len = desc.len; skb = sock_alloc_send_skb(sk, len, 1, &err); if (unlikely(!skb)) { @@ -267,7 +264,7 @@ static int xsk_generic_xmit(struct sock *sk, struct msghdr *m, addr = desc.addr; buffer = xdp_umem_get_data(xs->umem, addr); err = skb_store_bits(skb, 0, buffer, len); - if (unlikely(err)) { + if (unlikely(err) || xskq_reserve_addr(xs->umem->cq)) { kfree_skb(skb); goto out; } |