Commit d88405d4 authored by Jiri Slaby's avatar Jiri Slaby Committed by Greg Kroah-Hartman
Browse files

TTY: simserial, remove tmp_buf 



It is totally unused.

Signed-off-by: default avatarJiri Slaby <jslaby@suse.cz>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent fd2d7a6e

arch/ia64/hp/sim/simserial.c

+2 −14
Original line number Diff line number Diff line
@@ -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

	 */