X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fiucv%2Faf_iucv.c;h=fee22caf1bad54b37edb00e3554a53615a8cb82b;hb=061964fb988ca51087948975da66ff523b3a5852;hp=43e01c8d382b5ab09f8d1c94f7b2572b3c89902b;hpb=f4921aff5b174349bc36551f142a5dbac782ea3f;p=linux-2.6 diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index 43e01c8d38..fee22caf1b 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -94,13 +94,6 @@ static void iucv_sock_clear_timer(struct sock *sk) sk_stop_timer(sk, &sk->sk_timer); } -static void iucv_sock_init_timer(struct sock *sk) -{ - init_timer(&sk->sk_timer); - sk->sk_timer.function = iucv_sock_timeout; - sk->sk_timer.data = (unsigned long)sk; -} - static struct sock *__iucv_get_sock_by_name(char *nm) { struct sock *sk; @@ -216,7 +209,7 @@ static struct sock *iucv_sock_alloc(struct socket *sock, int proto, gfp_t prio) { struct sock *sk; - sk = sk_alloc(&init_net, PF_IUCV, prio, &iucv_proto, 1); + sk = sk_alloc(&init_net, PF_IUCV, prio, &iucv_proto); if (!sk) return NULL; @@ -238,7 +231,7 @@ static struct sock *iucv_sock_alloc(struct socket *sock, int proto, gfp_t prio) sk->sk_protocol = proto; sk->sk_state = IUCV_OPEN; - iucv_sock_init_timer(sk); + setup_timer(&sk->sk_timer, iucv_sock_timeout, (unsigned long)sk); iucv_sock_link(&iucv_sk_list, sk); return sk; @@ -489,6 +482,10 @@ static int iucv_sock_connect(struct socket *sock, struct sockaddr *addr, /* Create path. */ iucv->path = iucv_path_alloc(IUCV_QUEUELEN_DEFAULT, IPRMDATA, GFP_KERNEL); + if (!iucv->path) { + err = -ENOMEM; + goto done; + } err = iucv_path_connect(iucv->path, &af_iucv_handler, sa->siucv_user_id, NULL, user_data, sk); if (err) { @@ -1101,6 +1098,8 @@ static void iucv_callback_rx(struct iucv_path *path, struct iucv_message *msg) save_message: save_msg = kzalloc(sizeof(struct sock_msg_q), GFP_ATOMIC | GFP_DMA); + if (!save_msg) + return; save_msg->path = path; save_msg->msg = *msg; @@ -1113,24 +1112,31 @@ static void iucv_callback_txdone(struct iucv_path *path, struct iucv_message *msg) { struct sock *sk = path->private; - struct sk_buff *this; + struct sk_buff *this = NULL; struct sk_buff_head *list = &iucv_sk(sk)->send_skb_q; struct sk_buff *list_skb = list->next; unsigned long flags; - if (list_skb) { + if (!skb_queue_empty(list)) { spin_lock_irqsave(&list->lock, flags); - do { - this = list_skb; + while (list_skb != (struct sk_buff *)list) { + if (!memcmp(&msg->tag, list_skb->cb, 4)) { + this = list_skb; + break; + } list_skb = list_skb->next; - } while (memcmp(&msg->tag, this->cb, 4) && list_skb); + } + if (this) + __skb_unlink(this, list); spin_unlock_irqrestore(&list->lock, flags); - skb_unlink(this, &iucv_sk(sk)->send_skb_q); - kfree_skb(this); + if (this) + kfree_skb(this); } + if (!this) + printk(KERN_ERR "AF_IUCV msg tag %u not found\n", msg->tag); if (sk->sk_state == IUCV_CLOSING) { if (skb_queue_empty(&iucv_sk(sk)->send_skb_q)) {