~hc/RK356X_SDK_RELEASE.git

..	..	@@ -1,3 +1,4 @@
	1	+// SPDX-License-Identifier: GPL-2.0-or-later
1	2	/*
2	3	* X-Gene SLIMpro I2C Driver
3	4	*
..	..	@@ -5,22 +6,8 @@
5	6	* Author: Feng Kan <fkan@apm.com>
6	7	* Author: Hieu Le <hnle@apm.com>
7	8	*
8		- * This program is free software; you can redistribute it and/or
9		- * modify it under the terms of the GNU General Public License as
10		- * published by the Free Software Foundation; either version 2 of
11		- * the License, or (at your option) any later version.
12		- *
13		- * This program is distributed in the hope that it will be useful,
14		- * but WITHOUT ANY WARRANTY; without even the implied warranty of
15		- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16		- * GNU General Public License for more details.
17		- *
18		- * You should have received a copy of the GNU General Public License
19		- * along with this program; if not, see <http://www.gnu.org/licenses/>.
20		- *
21	9	* This driver provides support for X-Gene SLIMpro I2C device access
22	10	* using the APM X-Gene SLIMpro mailbox driver.
23		- *
24	11	*/
25	12	#include <acpi/pcc.h>
26	13	#include <linux/acpi.h>
..	..	@@ -321,6 +308,9 @@
321	308	u32 msg[3];
322	309	int rc;
323	310
	311	+ if (writelen > I2C_SMBUS_BLOCK_MAX)
	312	+ return -EINVAL;
	313	+
324	314	memcpy(ctx->dma_buffer, data, writelen);
325	315	paddr = dma_map_single(ctx->dev, ctx->dma_buffer, writelen,
326	316	DMA_TO_DEVICE);