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path: root/drivers/media/usb/gspca/nw80x.c
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Diffstat (limited to 'drivers/media/usb/gspca/nw80x.c')
-rw-r--r--drivers/media/usb/gspca/nw80x.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/media/usb/gspca/nw80x.c b/drivers/media/usb/gspca/nw80x.c
index bedc04a72e97..0f5f2464ac7a 100644
--- a/drivers/media/usb/gspca/nw80x.c
+++ b/drivers/media/usb/gspca/nw80x.c
@@ -1,19 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* DivIO nw80x subdriver
*
* Copyright (C) 2011 Jean-François Moine (http://moinejf.free.fr)
* Copyright (C) 2003 Sylvain Munaut <tnt@246tNt.com>
* Kjell Claesson <keyson@users.sourceforge.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -1581,6 +1572,11 @@ static void reg_r(struct gspca_dev *gspca_dev,
if (ret < 0) {
pr_err("reg_r err %d\n", ret);
gspca_dev->usb_err = ret;
+ /*
+ * Make sure the buffer is zeroed to avoid uninitialized
+ * values.
+ */
+ memset(gspca_dev->usb_buf, 0, USB_BUF_SZ);
return;
}
if (len == 1)
@@ -2023,7 +2019,7 @@ static int sd_init_controls(struct gspca_dev *gspca_dev)
V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
gspca_dev->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_GAIN, 0, 253, 1, 128);
- /* fall through */
+ fallthrough;
case Cvideopro:
case DvcV6:
case Kritter: