USB: atmel_usb_udc: Use kzalloc() to allocate ep structures

This ensures that all fields are properly initialized.

Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index 5644897..05c913c 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -1941,7 +1941,7 @@
 	usba_writel(udc, CTRL, USBA_DISABLE_MASK);
 	clk_disable(pclk);
 
-	usba_ep = kmalloc(sizeof(struct usba_ep) * pdata->num_ep,
+	usba_ep = kzalloc(sizeof(struct usba_ep) * pdata->num_ep,
 			  GFP_KERNEL);
 	if (!usba_ep)
 		goto err_alloc_ep;