diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2012-03-05 14:52:29 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-03-08 12:48:26 -0800 |
| commit | d88405d44fd30fcbe77a9db540afd8823b30afdc (patch) | |
| tree | 1d9f23f4eb39d397e1aa247058cfb82c47a2ab8a | |
| parent | fd2d7a6e60068779bc72029f867b51d3dc2fe0cc (diff) | |
TTY: simserial, remove tmp_buf
It is totally unused.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | arch/ia64/hp/sim/simserial.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c index 64ab004b476..45df0f42786 100644 --- a/arch/ia64/hp/sim/simserial.c +++ b/arch/ia64/hp/sim/simserial.c @@ -55,8 +55,6 @@ struct tty_driver *hp_simserial_driver; static struct console *console; -static unsigned char *tmp_buf; - extern struct console *console_drivers; /* from kernel/printk.c */ /* @@ -237,7 +235,8 @@ static int rs_write(struct tty_struct * tty, int c, ret = 0; unsigned long flags; - if (!tty || !info->xmit.buf || !tmp_buf) return 0; + if (!tty || !info->xmit.buf) + return 0; local_irq_save(flags); while (1) { @@ -618,7 +617,6 @@ static int rs_open(struct tty_struct *tty, struct file * filp) { struct serial_state *info = rs_table + tty->index; int retval; - unsigned long page; info->tport.count++; info->tport.tty = tty; @@ -630,16 +628,6 @@ static int rs_open(struct tty_struct *tty, struct file * filp) #endif tty->low_latency = (info->tport.flags & ASYNC_LOW_LATENCY) ? 1 : 0; - if (!tmp_buf) { - page = get_zeroed_page(GFP_KERNEL); - if (!page) - return -ENOMEM; - if (tmp_buf) - free_page(page); - else - tmp_buf = (unsigned char *) page; - } - /* * If the port is the middle of closing, bail out now */ |