diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index b9f99f9..c9eb2d0 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -653,10 +653,9 @@
 	if (device->driver->report_fixup)
 		device->driver->report_fixup(device, start, size);
 
-	device->rdesc = kmalloc(size, GFP_KERNEL);
+	device->rdesc = kmemdup(start, size, GFP_KERNEL);
 	if (device->rdesc == NULL)
 		return -ENOMEM;
-	memcpy(device->rdesc, start, size);
 	device->rsize = size;
 
 	parser = vmalloc(sizeof(struct hid_parser));