[PATCH] USB: kzalloc() conversion for rest of drivers/usb

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

3 files changed, 6 insertions, 12 deletions

diff --git a/drivers/usb/misc/auerswald.c b/drivers/usb/misc/auerswald.c
index ad2f4cccd388..1fef36e71c57 100644
--- a/drivers/usb/misc/auerswald.c
+++ b/drivers/usb/misc/auerswald.c
@@ -570,10 +570,9 @@ static int auerchain_setup (pauerchain_t acp, unsigned int numElements)
 
         /* fill the list of free elements */
         for (;numElements; numElements--) {
-                acep = (pauerchainelement_t) kmalloc (sizeof (auerchainelement_t), GFP_KERNEL);
+                acep = kzalloc(sizeof(auerchainelement_t), GFP_KERNEL);
                 if (!acep)
 			goto ac_fail;
-		memset (acep, 0, sizeof (auerchainelement_t));
                 INIT_LIST_HEAD (&acep->list);
                 list_add_tail (&acep->list, &acp->free_list);
         }
@@ -761,10 +760,9 @@ static int auerbuf_setup (pauerbufctl_t bcp, unsigned int numElements, unsigned
 
         /* fill the list of free elements */
         for (;numElements; numElements--) {
-                bep = (pauerbuf_t) kmalloc (sizeof (auerbuf_t), GFP_KERNEL);
+                bep = kzalloc(sizeof(auerbuf_t), GFP_KERNEL);
                 if (!bep)
 			goto bl_fail;
-	        memset (bep, 0, sizeof (auerbuf_t));
                 bep->list = bcp;
                 INIT_LIST_HEAD (&bep->buff_list);
                 bep->bufp = kmalloc (bufsize, GFP_KERNEL);
diff --git a/drivers/usb/misc/usblcd.c b/drivers/usb/misc/usblcd.c
index cc3dae3f34e0..c82c402285a0 100644
--- a/drivers/usb/misc/usblcd.c
+++ b/drivers/usb/misc/usblcd.c
@@ -270,12 +270,11 @@ static int lcd_probe(struct usb_interface *interface, const struct usb_device_id
 	int retval = -ENOMEM;
 
 	/* allocate memory for our device state and initialize it */
-	dev = kmalloc(sizeof(*dev), GFP_KERNEL);
+	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
 	if (dev == NULL) {
 		err("Out of memory");
 		goto error;
 	}
-	memset(dev, 0x00, sizeof(*dev));
 	kref_init(&dev->kref);
 
 	dev->udev = usb_get_dev(interface_to_usbdev(interface));
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index 84fa1728f052..9d59b901841c 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -382,12 +382,11 @@ alloc_sglist (int nents, int max, int vary)
 	for (i = 0; i < nents; i++) {
 		char		*buf;
 
-		buf = kmalloc (size, SLAB_KERNEL);
+		buf = kzalloc (size, SLAB_KERNEL);
 		if (!buf) {
 			free_sglist (sg, i);
 			return NULL;
 		}
-		memset (buf, 0, size);
 
 		/* kmalloc pages are always physically contiguous! */
 		sg_init_one(&sg[i], buf, size);
@@ -842,10 +841,9 @@ test_ctrl_queue (struct usbtest_dev *dev, struct usbtest_param *param)
 	 * as with bulk/intr sglists, sglen is the queue depth; it also
 	 * controls which subtests run (more tests than sglen) or rerun.
 	 */
-	urb = kmalloc (param->sglen * sizeof (struct urb *), SLAB_KERNEL);
+	urb = kcalloc(param->sglen, sizeof(struct urb *), SLAB_KERNEL);
 	if (!urb)
 		return -ENOMEM;
-	memset (urb, 0, param->sglen * sizeof (struct urb *));
 	for (i = 0; i < param->sglen; i++) {
 		int			pipe = usb_rcvctrlpipe (udev, 0);
 		unsigned		len;
@@ -1865,10 +1863,9 @@ usbtest_probe (struct usb_interface *intf, const struct usb_device_id *id)
 	}
 #endif
 
-	dev = kmalloc (sizeof *dev, SLAB_KERNEL);
+	dev = kzalloc(sizeof(*dev), SLAB_KERNEL);
 	if (!dev)
 		return -ENOMEM;
-	memset (dev, 0, sizeof *dev);
 	info = (struct usbtest_info *) id->driver_info;
 	dev->info = info;
 	init_MUTEX (&dev->sem);