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Subject[PATCH 30/69] TTY: sclp_vt220, remove unused allocation
Date
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
---
drivers/s390/char/sclp_vt220.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index 25cf2e8..edfc0fd 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;
- }
}

/*
--
1.7.9.2



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