#include <linux/slab.h>
#include <linux/usb/ch9.h>
#include <linux/random.h>
+#include <linux/export.h>
#include "wusbhc.h"
static void wusbhc_set_gtk_callback(struct urb *urb);
struct wusb_keydvt_in keydvt_in;
struct wusb_keydvt_out keydvt_out;
- hs = kzalloc(3*sizeof(hs[0]), GFP_KERNEL);
+ hs = kcalloc(3, sizeof(hs[0]), GFP_KERNEL);
if (hs == NULL) {
dev_err(dev, "can't allocate handshake data\n");
goto error_kzalloc;