AcoSail/kernel_optimize_test
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USB serial: replace kmalloc+memset with kzalloc

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Replace kmalloc+memset with kzalloc

Signed-off-by: Yan Burman <yan_952@hotmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Burman Yan 2006-11-22 20:54:38 +02:00 committed by Greg Kroah-Hartman
parent afd21ee5ab
commit 7ac9da10af
5 changed files with 6 additions and 12 deletions
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3
drivers/usb/serial/ark3116.c
View File

@ -85,10 +85,9 @@ static int ark3116_attach(struct usb_serial *serial)
int i;
for (i = 0; i < serial->num_ports; ++i) {
priv = kmalloc(sizeof (struct ark3116_private), GFP_KERNEL);
priv = kzalloc(sizeof(struct ark3116_private), GFP_KERNEL);
if (!priv)
goto cleanup;
memset(priv, 0x00, sizeof (struct ark3116_private));
spin_lock_init(&priv->lock);
usb_set_serial_port_data(serial->port[i], priv);

6
drivers/usb/serial/console.c
View File

@ -166,19 +166,17 @@ static int usb_console_setup(struct console *co, char *options)
if (serial->type->set_termios) {
/* build up a fake tty structure so that the open call has something
* to look at to get the cflag value */
tty = kmalloc (sizeof (*tty), GFP_KERNEL);
tty = kzalloc(sizeof(*tty), GFP_KERNEL);
if (!tty) {
err ("no more memory");
return -ENOMEM;
}
termios = kmalloc (sizeof (*termios), GFP_KERNEL);
termios = kzalloc(sizeof(*termios), GFP_KERNEL);
if (!termios) {
err ("no more memory");
kfree (tty);
return -ENOMEM;
}
memset (tty, 0x00, sizeof(*tty));
memset (termios, 0x00, sizeof(*termios));
termios->c_cflag = cflag;
tty->termios = termios;
port->tty = tty;

3
drivers/usb/serial/garmin_gps.c
View File

@ -1523,12 +1523,11 @@ static int garmin_attach (struct usb_serial *serial)
dbg("%s", __FUNCTION__);
garmin_data_p = kmalloc (sizeof(struct garmin_data), GFP_KERNEL);
garmin_data_p = kzalloc(sizeof(struct garmin_data), GFP_KERNEL);
if (garmin_data_p == NULL) {
dev_err(&port->dev, "%s - Out of memory\n", __FUNCTION__);
return -ENOMEM;
}
memset (garmin_data_p, 0, sizeof(struct garmin_data));
init_timer(&garmin_data_p->timer);
spin_lock_init(&garmin_data_p->lock);
INIT_LIST_HEAD(&garmin_data_p->pktlist);

3
drivers/usb/serial/mos7840.c
View File

@ -2596,12 +2596,11 @@ static int mos7840_startup(struct usb_serial *serial)
/* set up port private structures */
for (i = 0; i < serial->num_ports; ++i) {
mos7840_port = kmalloc(sizeof(struct moschip_port), GFP_KERNEL);
mos7840_port = kzalloc(sizeof(struct moschip_port), GFP_KERNEL);
if (mos7840_port == NULL) {
err("%s - Out of memory", __FUNCTION__);
return -ENOMEM;
}
memset(mos7840_port, 0, sizeof(struct moschip_port));
/* Initialize all port interrupt end point to port 0 int endpoint *
* Our device has only one interrupt end point comman to all port */

3
drivers/usb/serial/ti_usb_3410_5052.c
View File

@ -461,13 +461,12 @@ static int ti_startup(struct usb_serial *serial)
/* set up port structures */
for (i = 0; i < serial->num_ports; ++i) {
tport = kmalloc(sizeof(struct ti_port), GFP_KERNEL);
tport = kzalloc(sizeof(struct ti_port), GFP_KERNEL);
if (tport == NULL) {
dev_err(&dev->dev, "%s - out of memory\n", __FUNCTION__);
status = -ENOMEM;
goto free_tports;
}
memset(tport, 0, sizeof(struct ti_port));
spin_lock_init(&tport->tp_lock);
tport->tp_uart_base_addr = (i == 0 ? TI_UART1_BASE_ADDR : TI_UART2_BASE_ADDR);
tport->tp_flags = low_latency ? ASYNC_LOW_LATENCY : 0;