Input: use kzalloc() throughout the code

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

13 files changed, 22 insertions, 40 deletions

diff --git a/drivers/input/evbug.c b/drivers/input/evbug.c
index d782893..07358fb 100644
--- a/drivers/input/evbug.c
+++ b/drivers/input/evbug.c
@@ -49,9 +49,8 @@ static struct input_handle *evbug_connect(struct input_handler *handler, struct
 {
 	struct input_handle *handle;
 
-	if (!(handle = kmalloc(sizeof(struct input_handle), GFP_KERNEL)))
+	if (!(handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL)))
 		return NULL;
-	memset(handle, 0, sizeof(struct input_handle));
 
 	handle->dev = dev;
 	handle->handler = handler;
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 745979f..a34e3d9 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -130,9 +130,8 @@ static int evdev_open(struct inode * inode, struct file * file)
 	if ((accept_err = input_accept_process(&(evdev_table[i]->handle), file)))
 		return accept_err;
 
-	if (!(list = kmalloc(sizeof(struct evdev_list), GFP_KERNEL)))
+	if (!(list = kzalloc(sizeof(struct evdev_list), GFP_KERNEL)))
 		return -ENOMEM;
-	memset(list, 0, sizeof(struct evdev_list));
 
 	list->evdev = evdev_table[i];
 	list_add_tail(&list->node, &evdev_table[i]->list);
@@ -609,9 +608,8 @@ static struct input_handle *evdev_connect(struct input_handler *handler, struct
 		return NULL;
 	}
 
-	if (!(evdev = kmalloc(sizeof(struct evdev), GFP_KERNEL)))
+	if (!(evdev = kzalloc(sizeof(struct evdev), GFP_KERNEL)))
 		return NULL;
-	memset(evdev, 0, sizeof(struct evdev));
 
 	INIT_LIST_HEAD(&evdev->list);
 	init_waitqueue_head(&evdev->wait);
diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c
index 20e2972..949bdce 100644
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -171,9 +171,8 @@ static int joydev_open(struct inode *inode, struct file *file)
 	if (i >= JOYDEV_MINORS || !joydev_table[i])
 		return -ENODEV;
 
-	if (!(list = kmalloc(sizeof(struct joydev_list), GFP_KERNEL)))
+	if (!(list = kzalloc(sizeof(struct joydev_list), GFP_KERNEL)))
 		return -ENOMEM;
-	memset(list, 0, sizeof(struct joydev_list));
 
 	list->joydev = joydev_table[i];
 	list_add_tail(&list->node, &joydev_table[i]->list);
@@ -457,9 +456,8 @@ static struct input_handle *joydev_connect(struct input_handler *handler, struct
 		return NULL;
 	}
 
-	if (!(joydev = kmalloc(sizeof(struct joydev), GFP_KERNEL)))
+	if (!(joydev = kzalloc(sizeof(struct joydev), GFP_KERNEL)))
 		return NULL;
-	memset(joydev, 0, sizeof(struct joydev));
 
 	INIT_LIST_HEAD(&joydev->list);
 	init_waitqueue_head(&joydev->wait);
diff --git a/drivers/input/keyboard/hil_kbd.c b/drivers/input/keyboard/hil_kbd.c
index 0a90962..ed3271b 100644
--- a/drivers/input/keyboard/hil_kbd.c
+++ b/drivers/input/keyboard/hil_kbd.c
@@ -251,10 +251,9 @@ static int hil_kbd_connect(struct serio *serio, struct serio_driver *drv)
 	uint8_t		did, *idd;
 	int		i;
 	
-	kbd = kmalloc(sizeof(*kbd), GFP_KERNEL);
+	kbd = kzalloc(sizeof(*kbd), GFP_KERNEL);
 	if (!kbd)
 		return -ENOMEM;
-	memset(kbd, 0, sizeof(struct hil_kbd));
 
 	if (serio_open(serio, drv)) goto bail0;
 
diff --git a/drivers/input/mouse/hil_ptr.c b/drivers/input/mouse/hil_ptr.c
index c2bf2ed..798f4a3 100644
--- a/drivers/input/mouse/hil_ptr.c
+++ b/drivers/input/mouse/hil_ptr.c
@@ -245,10 +245,11 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
 	unsigned int	i, naxsets, btntype;
 	uint8_t		did, *idd;
 
-	if (!(ptr = kmalloc(sizeof(struct hil_ptr), GFP_KERNEL))) return -ENOMEM;
-	memset(ptr, 0, sizeof(struct hil_ptr));
+	if (!(ptr = kzalloc(sizeof(struct hil_ptr), GFP_KERNEL)))
+		return -ENOMEM;
 
-	if (serio_open(serio, driver)) goto bail0;
+	if (serio_open(serio, driver))
+		goto bail0;
 
 	serio_set_drvdata(serio, ptr);
 	ptr->serio = serio;
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 2051bec..d27d52c 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -247,14 +247,12 @@ static void synaptics_pt_create(struct psmouse *psmouse)
 {
 	struct serio *serio;
 
-	serio = kmalloc(sizeof(struct serio), GFP_KERNEL);
+	serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
 	if (!serio) {
 		printk(KERN_ERR "synaptics: not enough memory to allocate pass-through port\n");
 		return;
 	}
 
-	memset(serio, 0, sizeof(struct serio));
-
 	serio->id.type = SERIO_PS_PSTHRU;
 	strlcpy(serio->name, "Synaptics pass-through", sizeof(serio->name));
 	strlcpy(serio->phys, "synaptics-pt/serio0", sizeof(serio->name));
@@ -623,10 +621,9 @@ int synaptics_init(struct psmouse *psmouse)
 {
 	struct synaptics_data *priv;
 
-	psmouse->private = priv = kmalloc(sizeof(struct synaptics_data), GFP_KERNEL);
+	psmouse->private = priv = kzalloc(sizeof(struct synaptics_data), GFP_KERNEL);
 	if (!priv)
 		return -1;
-	memset(priv, 0, sizeof(struct synaptics_data));
 
 	if (synaptics_query_hardware(psmouse)) {
 		printk(KERN_ERR "Unable to query Synaptics hardware.\n");
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index 9abed18..b685a50 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -412,9 +412,8 @@ static int mousedev_open(struct inode * inode, struct file * file)
 	if (i >= MOUSEDEV_MINORS || !mousedev_table[i])
 		return -ENODEV;
 
-	if (!(list = kmalloc(sizeof(struct mousedev_list), GFP_KERNEL)))
+	if (!(list = kzalloc(sizeof(struct mousedev_list), GFP_KERNEL)))
 		return -ENOMEM;
-	memset(list, 0, sizeof(struct mousedev_list));
 
 	spin_lock_init(&list->packet_lock);
 	list->pos_x = xres / 2;
@@ -626,9 +625,8 @@ static struct input_handle *mousedev_connect(struct input_handler *handler, stru
 		return NULL;
 	}
 
-	if (!(mousedev = kmalloc(sizeof(struct mousedev), GFP_KERNEL)))
+	if (!(mousedev = kzalloc(sizeof(struct mousedev), GFP_KERNEL)))
 		return NULL;
-	memset(mousedev, 0, sizeof(struct mousedev));
 
 	INIT_LIST_HEAD(&mousedev->list);
 	init_waitqueue_head(&mousedev->wait);
diff --git a/drivers/input/power.c b/drivers/input/power.c
index bfc5c63..526e607 100644
--- a/drivers/input/power.c
+++ b/drivers/input/power.c
@@ -103,9 +103,8 @@ static struct input_handle *power_connect(struct input_handler *handler,
 {
 	struct input_handle *handle;
 
-	if (!(handle = kmalloc(sizeof(struct input_handle), GFP_KERNEL)))
+	if (!(handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL)))
 		return NULL;
-	memset(handle, 0, sizeof(struct input_handle));
 
 	handle->dev = dev;
 	handle->handler = handler;
diff --git a/drivers/input/serio/hil_mlc.c b/drivers/input/serio/hil_mlc.c
index 5704204..73aa8df 100644
--- a/drivers/input/serio/hil_mlc.c
+++ b/drivers/input/serio/hil_mlc.c
@@ -872,9 +872,8 @@ int hil_mlc_register(hil_mlc *mlc) {
 	for (i = 0; i < HIL_MLC_DEVMEM; i++) {
 		struct serio *mlc_serio;
 		hil_mlc_copy_di_scratch(mlc, i);
-		mlc_serio = kmalloc(sizeof(*mlc_serio), GFP_KERNEL);
+		mlc_serio = kzalloc(sizeof(*mlc_serio), GFP_KERNEL);
 		mlc->serio[i] = mlc_serio;
-		memset(mlc_serio, 0, sizeof(*mlc_serio));
 		mlc_serio->id			= hil_mlc_serio_id;
 		mlc_serio->write		= hil_mlc_serio_write;
 		mlc_serio->open			= hil_mlc_serio_open;
diff --git a/drivers/input/serio/parkbd.c b/drivers/input/serio/parkbd.c
index 1d15c28..a5c1fb3 100644
--- a/drivers/input/serio/parkbd.c
+++ b/drivers/input/serio/parkbd.c
@@ -171,9 +171,8 @@ static struct serio * __init parkbd_allocate_serio(void)
 {
 	struct serio *serio;
 
-	serio = kmalloc(sizeof(struct serio), GFP_KERNEL);
+	serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
 	if (serio) {
-		memset(serio, 0, sizeof(struct serio));
 		serio->id.type = parkbd_mode;
 		serio->write = parkbd_write,
 		strlcpy(serio->name, "PARKBD AT/XT keyboard adapter", sizeof(serio->name));
diff --git a/drivers/input/serio/rpckbd.c b/drivers/input/serio/rpckbd.c
index a3bd115..513d37f 100644
--- a/drivers/input/serio/rpckbd.c
+++ b/drivers/input/serio/rpckbd.c
@@ -111,11 +111,10 @@ static int __devinit rpckbd_probe(struct platform_device *dev)
 {
 	struct serio *serio;
 
-	serio = kmalloc(sizeof(struct serio), GFP_KERNEL);
+	serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
 	if (!serio)
 		return -ENOMEM;
 
-	memset(serio, 0, sizeof(struct serio));
 	serio->id.type		= SERIO_8042;
 	serio->write		= rpckbd_write;
 	serio->open		= rpckbd_open;
diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c
index 8734e7f..5a2703b 100644
--- a/drivers/input/serio/serio_raw.c
+++ b/drivers/input/serio/serio_raw.c
@@ -96,12 +96,11 @@ static int serio_raw_open(struct inode *inode, struct file *file)
 		goto out;
 	}
 
-	if (!(list = kmalloc(sizeof(struct serio_raw_list), GFP_KERNEL))) {
+	if (!(list = kzalloc(sizeof(struct serio_raw_list), GFP_KERNEL))) {
 		retval = -ENOMEM;
 		goto out;
 	}
 
-	memset(list, 0, sizeof(struct serio_raw_list));
 	list->serio_raw = serio_raw;
 	file->private_data = list;
 
@@ -276,14 +275,13 @@ static int serio_raw_connect(struct serio *serio, struct serio_driver *drv)
 	struct serio_raw *serio_raw;
 	int err;
 
-	if (!(serio_raw = kmalloc(sizeof(struct serio_raw), GFP_KERNEL))) {
+	if (!(serio_raw = kzalloc(sizeof(struct serio_raw), GFP_KERNEL))) {
 		printk(KERN_ERR "serio_raw.c: can't allocate memory for a device\n");
 		return -ENOMEM;
 	}
 
 	mutex_lock(&serio_raw_mutex);
 
-	memset(serio_raw, 0, sizeof(struct serio_raw));
 	snprintf(serio_raw->name, sizeof(serio_raw->name), "serio_raw%d", serio_raw_no++);
 	serio_raw->refcnt = 1;
 	serio_raw->serio = serio;
diff --git a/drivers/input/tsdev.c b/drivers/input/tsdev.c
index ca15479..d678d14 100644
--- a/drivers/input/tsdev.c
+++ b/drivers/input/tsdev.c
@@ -157,9 +157,8 @@ static int tsdev_open(struct inode *inode, struct file *file)
 	if (i >= TSDEV_MINORS || !tsdev_table[i & TSDEV_MINOR_MASK])
 		return -ENODEV;
 
-	if (!(list = kmalloc(sizeof(struct tsdev_list), GFP_KERNEL)))
+	if (!(list = kzalloc(sizeof(struct tsdev_list), GFP_KERNEL)))
 		return -ENOMEM;
-	memset(list, 0, sizeof(struct tsdev_list));
 
 	list->raw = (i >= TSDEV_MINORS/2) ? 1 : 0;
 
@@ -379,9 +378,8 @@ static struct input_handle *tsdev_connect(struct input_handler *handler,
 		return NULL;
 	}
 
-	if (!(tsdev = kmalloc(sizeof(struct tsdev), GFP_KERNEL)))
+	if (!(tsdev = kzalloc(sizeof(struct tsdev), GFP_KERNEL)))
 		return NULL;
-	memset(tsdev, 0, sizeof(struct tsdev));
 
 	INIT_LIST_HEAD(&tsdev->list);
 	init_waitqueue_head(&tsdev->wait);