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;