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Commit 2d9920ec authored by Sudip Mukherjee's avatar Sudip Mukherjee Committed by Greg Kroah-Hartman
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staging: dgnc: remove unused variables 



These variables were only assigned some values but were never used.

Signed-off-by: default avatarSudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 851f306d

drivers/staging/dgnc/dgnc_cls.c

+1 −3
Original line number Diff line number Diff line
@@ -854,10 +854,8 @@ static void cls_copy_data_from_uart_to_queue(struct channel_t *ch) 
		 * Discard character if we are ignoring the error mask.

		*/

		if (linestatus & error_mask)  {

			unsigned char discard;



			linestatus = 0;

			discard = readb(&ch->ch_cls_uart->txrx);

			readb(&ch->ch_cls_uart->txrx);

			continue;

		}

drivers/staging/dgnc/dgnc_tty.c

+2 −9
Original line number Diff line number Diff line
@@ -1398,12 +1398,10 @@ static void dgnc_tty_hangup(struct tty_struct *tty) 
 */

static void dgnc_tty_close(struct tty_struct *tty, struct file *file)

{

	struct ktermios *ts;

	struct dgnc_board *bd;

	struct channel_t *ch;

	struct un_t *un;

	unsigned long flags;

	int rc = 0;



	if (!tty || tty->magic != TTY_MAGIC)

		return;
@@ -1420,8 +1418,6 @@ static void dgnc_tty_close(struct tty_struct *tty, struct file *file) 
	if (!bd || bd->magic != DGNC_BOARD_MAGIC)

		return;



	ts = &tty->termios;



	spin_lock_irqsave(&ch->ch_lock, flags);



	/*
@@ -1484,7 +1480,7 @@ static void dgnc_tty_close(struct tty_struct *tty, struct file *file) 
		/* wait for output to drain */

		/* This will also return if we take an interrupt */



		rc = bd->bd_ops->drain(tty, 0);

		bd->bd_ops->drain(tty, 0);



		dgnc_tty_flush_buffer(tty);

		tty_ldisc_flush(tty);
@@ -1737,7 +1733,6 @@ static int dgnc_tty_write(struct tty_struct *tty, 
	struct channel_t *ch = NULL;

	struct un_t *un = NULL;

	int bufcount = 0, n = 0;

	int orig_count = 0;

	unsigned long flags;

	ushort head;

	ushort tail;
@@ -1763,7 +1758,6 @@ static int dgnc_tty_write(struct tty_struct *tty, 
	 * This helps to figure out if we should ask the FEP

	 * to send us an event when it has more space available.

	 */

	orig_count = count;



	spin_lock_irqsave(&ch->ch_lock, flags);
@@ -2031,7 +2025,6 @@ static void dgnc_tty_wait_until_sent(struct tty_struct *tty, int timeout) 
	struct dgnc_board *bd;

	struct channel_t *ch;

	struct un_t *un;

	int rc;



	if (!tty || tty->magic != TTY_MAGIC)

		return;
@@ -2048,7 +2041,7 @@ static void dgnc_tty_wait_until_sent(struct tty_struct *tty, int timeout) 
	if (!bd || bd->magic != DGNC_BOARD_MAGIC)

		return;



	rc = bd->bd_ops->drain(tty, 0);

	bd->bd_ops->drain(tty, 0);

}