drm/i915/gvt/kvmgt: replace kmalloc() by kzalloc()

Signed-off-by: NJike Song <jike.song@intel.com>
Signed-off-by: NZhenyu Wang <zhenyuw@linux.intel.com>

drivers/gpu/drm/i915/gvt/kvmgt.c

@@ -322,7 +322,7 @@ static void kvmgt_protect_table_add(struct kvmgt_guest_info *info, gfn_t gfn)
 	if (kvmgt_gfn_is_write_protected(info, gfn))
 		return;
 
-	p = kmalloc(sizeof(struct kvmgt_pgfn), GFP_ATOMIC);
+	p = kzalloc(sizeof(struct kvmgt_pgfn), GFP_ATOMIC);
 	if (WARN(!p, "gfn: 0x%llx\n", gfn))
 		return;