diff options
Diffstat (limited to 'drivers/media/usb/dvb-usb/dibusb-common.c')
| -rw-r--r-- | drivers/media/usb/dvb-usb/dibusb-common.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/media/usb/dvb-usb/dibusb-common.c b/drivers/media/usb/dvb-usb/dibusb-common.c index 8207e6900656..20f1ef3393a5 100644 --- a/drivers/media/usb/dvb-usb/dibusb-common.c +++ b/drivers/media/usb/dvb-usb/dibusb-common.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Common methods for dibusb-based-receivers. * * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de) * - * 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, version 2. - * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information */ #include "dibusb.h" @@ -17,6 +14,7 @@ static int debug; module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "set debugging level (1=info (|-able))." DVB_USB_DEBUG_STATUS); +MODULE_DESCRIPTION("Common methods for dibusb-based receivers"); MODULE_LICENSE("GPL"); #define deb_info(args...) dprintk(debug,0x01,args) @@ -223,8 +221,20 @@ EXPORT_SYMBOL(dibusb_i2c_algo); int dibusb_read_eeprom_byte(struct dvb_usb_device *d, u8 offs, u8 *val) { - u8 wbuf[1] = { offs }; - return dibusb_i2c_msg(d, 0x50, wbuf, 1, val, 1); + u8 *buf; + int rc; + + buf = kzalloc(2, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + buf[0] = offs; + + rc = dibusb_i2c_msg(d, 0x50, &buf[0], 1, &buf[1], 1); + *val = buf[1]; + kfree(buf); + + return rc; } EXPORT_SYMBOL(dibusb_read_eeprom_byte); |