Commit c464444f authored by Julian Wiedmann's avatar Julian Wiedmann Committed by Jakub Kicinski
Browse files

net/af_iucv: don't lookup the socket on TX notification 



Whoever called iucv_sk(sk)->sk_txnotify() must already know that they're
dealing with an af_iucv socket.

Signed-off-by: default avatarJulian Wiedmann <jwi@linux.ibm.com>
Acked-by: default avatarWillem de Bruijn <willemb@google.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 27e9c1de

net/iucv/af_iucv.c

+3 −12
Original line number Diff line number Diff line
@@ -2134,23 +2134,14 @@ static int afiucv_hs_rcv(struct sk_buff *skb, struct net_device *dev, 
static void afiucv_hs_callback_txnotify(struct sk_buff *skb,

					enum iucv_tx_notify n)

{

	struct sock *isk = skb->sk;

	struct sock *sk = NULL;

	struct iucv_sock *iucv = NULL;

	struct iucv_sock *iucv = iucv_sk(skb->sk);

	struct sock *sk = skb->sk;

	struct sk_buff_head *list;

	struct sk_buff *list_skb;

	struct sk_buff *nskb;

	unsigned long flags;



	read_lock_irqsave(&iucv_sk_list.lock, flags);

	sk_for_each(sk, &iucv_sk_list.head)

		if (sk == isk) {

			iucv = iucv_sk(sk);

			break;

		}

	read_unlock_irqrestore(&iucv_sk_list.lock, flags);



	if (!iucv || sock_flag(sk, SOCK_ZAPPED))

	if (sock_flag(sk, SOCK_ZAPPED))

		return;



	list = &iucv->send_skb_q;