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Diffstat (limited to 'net/bluetooth/rfcomm/tty.c')
-rw-r--r--net/bluetooth/rfcomm/tty.c21
1 files changed, 8 insertions, 13 deletions
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index bd6fd0f43d2b..b6e44ad6cca6 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -541,23 +541,21 @@ int rfcomm_dev_ioctl(struct sock *sk, unsigned int cmd, void __user *arg)
541static void rfcomm_dev_data_ready(struct rfcomm_dlc *dlc, struct sk_buff *skb) 541static void rfcomm_dev_data_ready(struct rfcomm_dlc *dlc, struct sk_buff *skb)
542{ 542{
543 struct rfcomm_dev *dev = dlc->owner; 543 struct rfcomm_dev *dev = dlc->owner;
544 struct tty_struct *tty;
545 544
546 if (!dev) { 545 if (!dev) {
547 kfree_skb(skb); 546 kfree_skb(skb);
548 return; 547 return;
549 } 548 }
550 549
551 tty = dev->port.tty; 550 if (!skb_queue_empty(&dev->pending)) {
552 if (!tty || !skb_queue_empty(&dev->pending)) {
553 skb_queue_tail(&dev->pending, skb); 551 skb_queue_tail(&dev->pending, skb);
554 return; 552 return;
555 } 553 }
556 554
557 BT_DBG("dlc %p tty %p len %d", dlc, tty, skb->len); 555 BT_DBG("dlc %p len %d", dlc, skb->len);
558 556
559 tty_insert_flip_string(tty, skb->data, skb->len); 557 tty_insert_flip_string(&dev->port, skb->data, skb->len);
560 tty_flip_buffer_push(tty); 558 tty_flip_buffer_push(&dev->port);
561 559
562 kfree_skb(skb); 560 kfree_skb(skb);
563} 561}
@@ -621,26 +619,23 @@ static void rfcomm_dev_modem_status(struct rfcomm_dlc *dlc, u8 v24_sig)
621/* ---- TTY functions ---- */ 619/* ---- TTY functions ---- */
622static void rfcomm_tty_copy_pending(struct rfcomm_dev *dev) 620static void rfcomm_tty_copy_pending(struct rfcomm_dev *dev)
623{ 621{
624 struct tty_struct *tty = dev->port.tty;
625 struct sk_buff *skb; 622 struct sk_buff *skb;
626 int inserted = 0; 623 int inserted = 0;
627 624
628 if (!tty) 625 BT_DBG("dev %p", dev);
629 return;
630
631 BT_DBG("dev %p tty %p", dev, tty);
632 626
633 rfcomm_dlc_lock(dev->dlc); 627 rfcomm_dlc_lock(dev->dlc);
634 628
635 while ((skb = skb_dequeue(&dev->pending))) { 629 while ((skb = skb_dequeue(&dev->pending))) {
636 inserted += tty_insert_flip_string(tty, skb->data, skb->len); 630 inserted += tty_insert_flip_string(&dev->port, skb->data,
631 skb->len);
637 kfree_skb(skb); 632 kfree_skb(skb);
638 } 633 }
639 634
640 rfcomm_dlc_unlock(dev->dlc); 635 rfcomm_dlc_unlock(dev->dlc);
641 636
642 if (inserted > 0) 637 if (inserted > 0)
643 tty_flip_buffer_push(tty); 638 tty_flip_buffer_push(&dev->port);
644} 639}
645 640
646static int rfcomm_tty_open(struct tty_struct *tty, struct file *filp) 641static int rfcomm_tty_open(struct tty_struct *tty, struct file *filp)