liquidio: Use vzalloc()

Use vzalloc() instead of hand writing it with vmalloc()+memset().
This is less verbose.

Signed-off-by: Christophe JAILLET <[e-mail]>
Reviewed-by: Simon Horman <[e-mail]>
Link: https://lore.kernel.org/r/93b010824d[e-mail]
Signed-off-by: Paolo Abeni <[e-mail]>

drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c

···
 	for (i = 0; i < oct->sriov_info.max_vfs; i++) {
 		q_no = i * oct->sriov_info.rings_per_vf;
 
-		mbox = vmalloc(sizeof(*mbox));
+		mbox = vzalloc(sizeof(*mbox));
 		if (!mbox)
 			goto free_mbox;
-
-		memset(mbox, 0, sizeof(struct octeon_mbox));
 
 		spin_lock_init(&mbox->lock);
 

drivers/net/ethernet/cavium/liquidio/cn23xx_vf_device.c

···
 {
 	struct octeon_mbox *mbox = NULL;
 
-	mbox = vmalloc(sizeof(*mbox));
+	mbox = vzalloc(sizeof(*mbox));
 	if (!mbox)
 		return 1;
-
-	memset(mbox, 0, sizeof(struct octeon_mbox));
 
 	spin_lock_init(&mbox->lock);