From 6498d02306b337393b0bc92164857f3e6949c4e8 Mon Sep 17 00:00:00 2001
From: Nikolai Kondrashov <spbnick@gmail.com>
Date: Mon, 11 Aug 2014 20:45:32 +0300
Subject: [PATCH] HID: huion: Use allocated buffer for DMA

Allocate a buffer with kmalloc for receiving the parameters string
descriptor with usb_control_msg, instead of using a buffer on the stack,
as the latter is unsafe. Use an enum for indices into the buffer to
ensure the buffer size if sufficient.

This fixes the static checker error "doing dma on the stack (buf)".

Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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