Staging: usbip: kmem_cache_alloc/memset -> kmem_cache_zalloc

Used kmem_cache_zalloc instead of kmem_cache_alloc/memset.
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/usbip/stub_rx.c

@@ -334,7 +334,7 @@ static struct stub_priv *stub_priv_alloc(struct stub_device *sdev,
 
 	spin_lock_irqsave(&sdev->priv_lock, flags);
 
-	priv = kmem_cache_alloc(stub_priv_cache, GFP_ATOMIC);
+	priv = kmem_cache_zalloc(stub_priv_cache, GFP_ATOMIC);
 	if (!priv) {
 		dev_err(&sdev->interface->dev, "alloc stub_priv\n");
 		spin_unlock_irqrestore(&sdev->priv_lock, flags);
@@ -342,8 +342,6 @@ static struct stub_priv *stub_priv_alloc(struct stub_device *sdev,
 		return NULL;
 	}
 
-	memset(priv, 0, sizeof(struct stub_priv));
-
 	priv->seqnum = pdu->base.seqnum;
 	priv->sdev = sdev;