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-rw-r--r--drivers/usb/misc/auerswald.c6
-rw-r--r--drivers/usb/misc/usblcd.c3
-rw-r--r--drivers/usb/misc/usbtest.c9
3 files changed, 6 insertions, 12 deletions
diff --git a/drivers/usb/misc/auerswald.c b/drivers/usb/misc/auerswald.c
index ad2f4cccd38..1fef36e71c5 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 cc3dae3f34e..c82c402285a 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 84fa1728f05..9d59b901841 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);