diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2012-04-02 13:54:14 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-09 20:28:17 +0200 |
| commit | b538c4eaf29176da55804963fb6a77883be6400a (patch) | |
| tree | 08005587d3548f099ec2e81eaa38daebbd86c222 /drivers/s390 | |
| parent | TTY: sclp_vt220, add tty_port (diff) | |
| download | linux-b538c4eaf29176da55804963fb6a77883be6400a.tar.xz linux-b538c4eaf29176da55804963fb6a77883be6400a.zip | |
TTY: sclp_vt220, remove unused allocation
80 bytes which are allocated in tty->ops->open and assigned to
tty->driver_data are never used. Remove that.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: linux390@de.ibm.com
Cc: linux-s390@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/char/sclp_vt220.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c index 25cf2e8c162a..edfc0fd73dc6 100644 --- a/drivers/s390/char/sclp_vt220.c +++ b/drivers/s390/char/sclp_vt220.c @@ -34,7 +34,6 @@ #define SCLP_VT220_DEVICE_NAME "ttysclp" #define SCLP_VT220_CONSOLE_NAME "ttyS" #define SCLP_VT220_CONSOLE_INDEX 1 /* console=ttyS1 */ -#define SCLP_VT220_BUF_SIZE 80 /* Representation of a single write request */ struct sclp_vt220_request { @@ -496,9 +495,6 @@ sclp_vt220_open(struct tty_struct *tty, struct file *filp) { if (tty->count == 1) { tty_port_tty_set(&sclp_vt220_port, tty); - tty->driver_data = kmalloc(SCLP_VT220_BUF_SIZE, GFP_KERNEL); - if (tty->driver_data == NULL) - return -ENOMEM; tty->low_latency = 0; if (!tty->winsize.ws_row && !tty->winsize.ws_col) { tty->winsize.ws_row = 24; @@ -514,11 +510,8 @@ sclp_vt220_open(struct tty_struct *tty, struct file *filp) static void sclp_vt220_close(struct tty_struct *tty, struct file *filp) { - if (tty->count == 1) { + if (tty->count == 1) tty_port_tty_set(&sclp_vt220_port, NULL); - kfree(tty->driver_data); - tty->driver_data = NULL; - } } /* |