Merge "drm/msm/dsi-staging: Add range check in debugfs_dump_info_read" (7e4d8780) · Commits · e / devices / android_kernel_sony_msm8998

drivers/gpu/drm/msm/dsi-staging/dsi_display.c

+4 −1

Original line number	Diff line number	Diff line
		/*
		* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
		* Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
		*
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License version 2 and
		@@ -98,6 +98,9 @@ static ssize_t debugfs_dump_info_read(struct file *file,
		"\tClock master = %s\n",
		display->ctrl[display->clk_master_idx].ctrl->name);

		if (len > count)
		len = count;

		if (copy_to_user(buff, buf, len)) {
		kfree(buf);
		return -EFAULT;