Variable ar assigned a value that is never used.
I have also removed all the code that thereby serves no purpose.
This was found using a static code analysis program called cppcheck
Signed-off-by: Rickard Strandqvist <rickard_strandqv...@spectrumdigital.se>
---
drivers/staging/dgnc/dgnc_tty.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c
index f81a375..bca2c07 100644
--- a/drivers/staging/dgnc/dgnc_tty.c
+++ b/drivers/staging/dgnc/dgnc_tty.c
@@ -1386,12 +1386,10 @@ 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;
@@ -1408,8 +1406,6 @@ 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);
/*
@@ -1471,7 +1467,7 @@ 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);
@@ -2059,7 +2055,6 @@ 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;
@@ -2076,7 +2071,7 @@ 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);
}
--
1.7.10.4
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