diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/tty/synclink_gt.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c index c359a91f7346..0e8c39b6ccd4 100644 --- a/drivers/tty/synclink_gt.c +++ b/drivers/tty/synclink_gt.c @@ -673,7 +673,7 @@ static int open(struct tty_struct *tty, struct file *filp) DBGINFO(("%s open, old ref count = %d\n", info->device_name, info->port.count)); /* If port is closing, signal caller to try again */ - if (tty_hung_up_p(filp) || info->port.flags & ASYNC_CLOSING){ + if (info->port.flags & ASYNC_CLOSING){ wait_event_interruptible_tty(tty, info->port.close_wait, !(info->port.flags & ASYNC_CLOSING)); retval = ((info->port.flags & ASYNC_HUP_NOTIFY) ? @@ -3273,7 +3273,6 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, DECLARE_WAITQUEUE(wait, current); int retval; bool do_clocal = false; - bool extra_count = false; unsigned long flags; int cd; struct tty_port *port = &info->port; @@ -3300,10 +3299,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, add_wait_queue(&port->open_wait, &wait); spin_lock_irqsave(&info->lock, flags); - if (!tty_hung_up_p(filp)) { - extra_count = true; - port->count--; - } + port->count--; spin_unlock_irqrestore(&info->lock, flags); port->blocked_open++; @@ -3338,7 +3334,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, set_current_state(TASK_RUNNING); remove_wait_queue(&port->open_wait, &wait); - if (extra_count) + if (!tty_hung_up_p(filp)) port->count++; port->blocked_open--; @@ -3387,12 +3383,11 @@ static int alloc_desc(struct slgt_info *info) unsigned int pbufs; /* allocate memory to hold descriptor lists */ - info->bufs = pci_alloc_consistent(info->pdev, DESC_LIST_SIZE, &info->bufs_dma_addr); + info->bufs = pci_zalloc_consistent(info->pdev, DESC_LIST_SIZE, + &info->bufs_dma_addr); if (info->bufs == NULL) return -ENOMEM; - memset(info->bufs, 0, DESC_LIST_SIZE); - info->rbufs = (struct slgt_desc*)info->bufs; info->tbufs = ((struct slgt_desc*)info->bufs) + info->rbuf_count; |