[PATCH] USBATM: kzalloc conversion

Convert kmalloc + memset to kzalloc.

Signed-off-by: Duncan Sands <baldrick@free.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

3 files changed, 5 insertions, 11 deletions

diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c
index 0b02a6d..675fdbd 100644
--- a/drivers/usb/atm/cxacru.c
+++ b/drivers/usb/atm/cxacru.c
@@ -673,14 +673,12 @@ static int cxacru_bind(struct usbatm_data *usbatm_instance,
 	int ret;
 
 	/* instance init */
-	instance = kmalloc(sizeof(*instance), GFP_KERNEL);
+	instance = kzalloc(sizeof(*instance), GFP_KERNEL);
 	if (!instance) {
 		dbg("cxacru_bind: no memory for instance data");
 		return -ENOMEM;
 	}
 
-	memset(instance, 0, sizeof(*instance));
-
 	instance->usbatm = usbatm_instance;
 	instance->modem_type = (struct cxacru_modem_type *) id->driver_info;
 
diff --git a/drivers/usb/atm/speedtch.c b/drivers/usb/atm/speedtch.c
index 1aca0b0..43ec758 100644
--- a/drivers/usb/atm/speedtch.c
+++ b/drivers/usb/atm/speedtch.c
@@ -715,7 +715,7 @@ static int speedtch_bind(struct usbatm_data *usbatm,
 		}
 	}
 
-	instance = kmalloc(sizeof(*instance), GFP_KERNEL);
+	instance = kzalloc(sizeof(*instance), GFP_KERNEL);
 
 	if (!instance) {
 		usb_err(usbatm, "%s: no memory for instance data!\n", __func__);
@@ -723,8 +723,6 @@ static int speedtch_bind(struct usbatm_data *usbatm,
 		goto fail_release;
 	}
 
-	memset(instance, 0, sizeof(struct speedtch_instance_data));
-
 	instance->usbatm = usbatm;
 
 	INIT_WORK(&instance->status_checker, (void *)speedtch_check_status, instance);
diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
index 2eb8552..3ed5f02 100644
--- a/drivers/usb/atm/usbatm.c
+++ b/drivers/usb/atm/usbatm.c
@@ -763,13 +763,12 @@ static int usbatm_atm_open(struct atm_vcc *vcc)
 		goto fail;
 	}
 
-	if (!(new = kmalloc(sizeof(struct usbatm_vcc_data), GFP_KERNEL))) {
+	if (!(new = kzalloc(sizeof(struct usbatm_vcc_data), GFP_KERNEL))) {
 		atm_err(instance, "%s: no memory for vcc_data!\n", __func__);
 		ret = -ENOMEM;
 		goto fail;
 	}
 
-	memset(new, 0, sizeof(struct usbatm_vcc_data));
 	new->vcc = vcc;
 	new->vpi = vpi;
 	new->vci = vci;
@@ -1066,13 +1065,12 @@ int usbatm_usb_probe(struct usb_interface *intf, const struct usb_device_id *id,
 
 		instance->urbs[i] = urb;
 
-		buffer = kmalloc(channel->buf_size, GFP_KERNEL);
+		/* zero the tx padding to avoid leaking information */
+		buffer = kzalloc(channel->buf_size, GFP_KERNEL);
 		if (!buffer) {
 			dev_err(dev, "%s: no memory for buffer %d!\n", __func__, i);
 			goto fail_unbind;
 		}
-		/* zero the tx padding to avoid leaking information */
-		memset(buffer, 0, channel->buf_size);
 
 		usb_fill_bulk_urb(urb, instance->usb_dev, channel->endpoint,
 				  buffer, channel->buf_size, usbatm_complete, channel);