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| author | Jiri Slaby <jirislaby@gmail.com> | 2006-09-30 23:28:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-01 00:39:25 -0700 |
| commit | 365e02237b164701897244aab7412b21c5e622af (patch) | |
| tree | 59dfbfa62e7b80d5eb197041c8f077e2c39cbe0f /drivers | |
| parent | 6e9a4738c9fadb7cbdcabc1e3b415159f3741ed9 (diff) | |
| download | kernel-crypto-365e02237b164701897244aab7412b21c5e622af.tar.gz kernel-crypto-365e02237b164701897244aab7412b21c5e622af.tar.xz kernel-crypto-365e02237b164701897244aab7412b21c5e622af.zip | |
[PATCH] Char: specialix, kill unneeded page alloc
The driver is allocating a page but doesn't actually use it for anything.
(History from the old ->write method before Linus cleaned it up)
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/specialix.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c index c0ef0f0e580..f52c7c31bad 100644 --- a/drivers/char/specialix.c +++ b/drivers/char/specialix.c @@ -182,7 +182,6 @@ static int sx_poll = HZ; #define RS_EVENT_WRITE_WAKEUP 0 static struct tty_driver *specialix_driver; -static unsigned char * tmp_buf; static unsigned long baud_table[] = { 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800, @@ -1674,7 +1673,7 @@ static int sx_write(struct tty_struct * tty, bp = port_Board(port); - if (!port->xmit_buf || !tmp_buf) { + if (!port->xmit_buf) { func_exit(); return 0; } @@ -2398,12 +2397,6 @@ static int sx_init_drivers(void) return 1; } - if (!(tmp_buf = (unsigned char *) get_zeroed_page(GFP_KERNEL))) { - printk(KERN_ERR "sx: Couldn't get free page.\n"); - put_tty_driver(specialix_driver); - func_exit(); - return 1; - } specialix_driver->owner = THIS_MODULE; specialix_driver->name = "ttyW"; specialix_driver->major = SPECIALIX_NORMAL_MAJOR; @@ -2417,7 +2410,6 @@ static int sx_init_drivers(void) if ((error = tty_register_driver(specialix_driver))) { put_tty_driver(specialix_driver); - free_page((unsigned long)tmp_buf); printk(KERN_ERR "sx: Couldn't register specialix IO8+ driver, error = %d\n", error); func_exit(); @@ -2443,7 +2435,6 @@ static void sx_release_drivers(void) { func_enter(); - free_page((unsigned long)tmp_buf); tty_unregister_driver(specialix_driver); put_tty_driver(specialix_driver); func_exit(); |