USB serial: replace kmalloc+memset with kzalloc

Replace kmalloc+memset with kzalloc

Signed-off-by: Yan Burman <yan_952@hotmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

5 files changed, 6 insertions, 12 deletions

diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index ca52f12f0e24..863966c1c5ac 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -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);
diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
index 3a9073dbfe6a..7167728d764c 100644
--- a/drivers/usb/serial/console.c
+++ b/drivers/usb/serial/console.c
@@ -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;
diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c
index 4543152a9966..6530d391ebed 100644
--- a/drivers/usb/serial/garmin_gps.c
+++ b/drivers/usb/serial/garmin_gps.c
@@ -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);
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 5b71962d0351..02c89e10b2cf 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -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 */
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index bbbb993447b9..ae98d8cbdbb8 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -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;