diff options
| author | Sudip Mukherjee <sudipm.mukherjee@gmail.com> | 2015-10-03 20:52:39 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-10-04 08:52:32 +0100 |
| commit | 2d9920eca404c785483598980547ff3be58eddd9 (patch) | |
| tree | 639a050f44dfd127c28f43fc55343e096fbf879e | |
| parent | 851f306d6e42a7573dd5a9425ce929ff10215be6 (diff) | |
| download | linux-2d9920eca404c785483598980547ff3be58eddd9.tar.bz2 | |
staging: dgnc: remove unused variables
These variables were only assigned some values but were never used.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/dgnc/dgnc_cls.c | 4 | ||||
| -rw-r--r-- | drivers/staging/dgnc/dgnc_tty.c | 11 |
2 files changed, 3 insertions, 12 deletions
diff --git a/drivers/staging/dgnc/dgnc_cls.c b/drivers/staging/dgnc/dgnc_cls.c index 76fe4b2935b5..24fc28c0c966 100644 --- a/drivers/staging/dgnc/dgnc_cls.c +++ b/drivers/staging/dgnc/dgnc_cls.c @@ -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; } diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c index 8a6f9e222e12..cdc78f80c918 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); } |