1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/* LIBUSB-WIN32, Generic Windows USB Library
* Copyright (c) 2002-2005 Stephan Meyer <ste_meyer@web.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; either version 2 of the License, or
* (at your option) 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "libusb_driver.h"
NTSTATUS release_interface(libusb_device_t *dev, int interface)
{
DEBUG_MESSAGE("release_interface(): interface %d", interface);
if(!dev->config.value)
{
DEBUG_ERROR("release_interface(): device is not configured");
return STATUS_INVALID_DEVICE_STATE;
}
if(interface >= LIBUSB0_MAX_NUMBER_OF_INTERFACES)
{
DEBUG_ERROR("release_interface(): interface number %d too high",
interface);
return STATUS_INVALID_PARAMETER;
}
if(!dev->config.interfaces[interface].valid)
{
DEBUG_ERROR("release_interface(): invalid interface %02d", interface);
return STATUS_INVALID_PARAMETER;
}
if(!dev->config.interfaces[interface].claimed)
{
DEBUG_ERROR("claim_interface(): could not release interface %d, "
"interface is not claimed", interface);
return STATUS_INVALID_DEVICE_STATE;
}
dev->config.interfaces[interface].claimed = FALSE;
return STATUS_SUCCESS;
}
NTSTATUS release_all_interfaces(libusb_device_t *dev)
{
int i;
for(i = 0; i < LIBUSB0_MAX_NUMBER_OF_INTERFACES; i++)
{
dev->config.interfaces[i].claimed = FALSE;
}
return STATUS_SUCCESS;
}
|
