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path: root/drivers/staging/dgnc/dgnc_tty.c
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Diffstat (limited to 'drivers/staging/dgnc/dgnc_tty.c')
-rw-r--r--drivers/staging/dgnc/dgnc_tty.c11
1 files changed, 2 insertions, 9 deletions
diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c
index 8a6f9e2..cdc78f8 100644
--- a/drivers/staging/dgnc/dgnc_tty.c
+++ b/drivers/staging/dgnc/dgnc_tty.c
@@ -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);
}
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