uwb: use kcalloc where appropriate

Signed-off-by: David Vrabel <david.vrabel@csr.com>

drivers/usb/wusbcore/mmc.c

@@ -43,7 +43,7 @@
 int wusbhc_mmcie_create(struct wusbhc *wusbhc)
 {
 	u8 mmcies = wusbhc->mmcies_max;
-	wusbhc->mmcie = kzalloc(mmcies * sizeof(wusbhc->mmcie[0]), GFP_KERNEL);
+	wusbhc->mmcie = kcalloc(mmcies, sizeof(wusbhc->mmcie[0]), GFP_KERNEL);
 	if (wusbhc->mmcie == NULL)
 		return -ENOMEM;
 	mutex_init(&wusbhc->mmcie_mutex);

drivers/usb/wusbcore/wa-xfer.c

@@ -674,7 +674,7 @@ static int __wa_xfer_setup_segs(struct wa_xfer *xfer, size_t xfer_hdr_size)
 	size_t buf_itr, buf_size, buf_itr_size;
 
 	result = -ENOMEM;
-	xfer->seg = kzalloc(xfer->segs * sizeof(xfer->seg[0]), GFP_ATOMIC);
+	xfer->seg = kcalloc(xfer->segs, sizeof(xfer->seg[0]), GFP_ATOMIC);
 	if (xfer->seg == NULL)
 		goto error_segs_kzalloc;
 	buf_itr = 0;

drivers/uwb/lc-dev.c

@@ -443,7 +443,7 @@ void uwbd_dev_onair(struct uwb_rc *rc, struct uwb_beca_e *bce)
 
 	uwb_mac_addr_print(macbuf, sizeof(macbuf), bce->mac_addr);
 	uwb_dev_addr_print(devbuf, sizeof(devbuf), &bce->dev_addr);
-	uwb_dev = kcalloc(1, sizeof(*uwb_dev), GFP_KERNEL);
+	uwb_dev = kzalloc(sizeof(struct uwb_dev), GFP_KERNEL);
 	if (uwb_dev == NULL) {
 		dev_err(dev, "new device %s: Cannot allocate memory\n",
 			macbuf);