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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>
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parent
092f737799
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b538c4eaf2
1 changed files with 1 additions and 8 deletions
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@ -34,7 +34,6 @@
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#define SCLP_VT220_DEVICE_NAME "ttysclp"
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#define SCLP_VT220_DEVICE_NAME "ttysclp"
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#define SCLP_VT220_CONSOLE_NAME "ttyS"
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#define SCLP_VT220_CONSOLE_NAME "ttyS"
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#define SCLP_VT220_CONSOLE_INDEX 1 /* console=ttyS1 */
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#define SCLP_VT220_CONSOLE_INDEX 1 /* console=ttyS1 */
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#define SCLP_VT220_BUF_SIZE 80
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/* Representation of a single write request */
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/* Representation of a single write request */
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struct sclp_vt220_request {
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struct sclp_vt220_request {
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@ -496,9 +495,6 @@ sclp_vt220_open(struct tty_struct *tty, struct file *filp)
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{
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{
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if (tty->count == 1) {
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if (tty->count == 1) {
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tty_port_tty_set(&sclp_vt220_port, tty);
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tty_port_tty_set(&sclp_vt220_port, tty);
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tty->driver_data = kmalloc(SCLP_VT220_BUF_SIZE, GFP_KERNEL);
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if (tty->driver_data == NULL)
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return -ENOMEM;
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tty->low_latency = 0;
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tty->low_latency = 0;
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if (!tty->winsize.ws_row && !tty->winsize.ws_col) {
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if (!tty->winsize.ws_row && !tty->winsize.ws_col) {
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tty->winsize.ws_row = 24;
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tty->winsize.ws_row = 24;
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@ -514,11 +510,8 @@ sclp_vt220_open(struct tty_struct *tty, struct file *filp)
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static void
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static void
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sclp_vt220_close(struct tty_struct *tty, struct file *filp)
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sclp_vt220_close(struct tty_struct *tty, struct file *filp)
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{
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{
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if (tty->count == 1) {
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if (tty->count == 1)
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tty_port_tty_set(&sclp_vt220_port, NULL);
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tty_port_tty_set(&sclp_vt220_port, NULL);
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kfree(tty->driver_data);
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tty->driver_data = NULL;
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}
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}
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}
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/*
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/*
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