]>
Commit | Line | Data |
---|---|---|
0945b4fe | 1 | /* |
30f05546 | 2 | * Copyright (C) 2011 matt mooney <mfm@muteddisk.com> |
3 | * 2005-2007 Takahiro Hirofuchi | |
0945b4fe | 4 | * |
30f05546 | 5 | * This program is free software: you can redistribute it and/or modify |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation, either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
0945b4fe TH |
17 | */ |
18 | ||
4fd83e84 | 19 | #include <errno.h> |
4cbab52d | 20 | #include <stdio.h> |
21 | #include <string.h> | |
22 | ||
e9837bbb | 23 | #include "usbip_common.h" |
0945b4fe | 24 | #include "utils.h" |
1e940319 | 25 | #include "sysfs_utils.h" |
0945b4fe | 26 | |
e9837bbb | 27 | int modify_match_busid(char *busid, int add) |
28 | { | |
30f05546 | 29 | char attr_name[] = "match_busid"; |
1e940319 | 30 | char command[SYSFS_BUS_ID_SIZE + 4]; |
30f05546 | 31 | char match_busid_attr_path[SYSFS_PATH_MAX]; |
1e940319 | 32 | int rc; |
544c4605 | 33 | int cmd_size; |
e9837bbb | 34 | |
30f05546 | 35 | snprintf(match_busid_attr_path, sizeof(match_busid_attr_path), |
1e940319 VM |
36 | "%s/%s/%s/%s/%s/%s", SYSFS_MNT_PATH, SYSFS_BUS_NAME, |
37 | SYSFS_BUS_TYPE, SYSFS_DRIVERS_NAME, USBIP_HOST_DRV_NAME, | |
38 | attr_name); | |
e9837bbb | 39 | |
40 | if (add) | |
544c4605 JZ |
41 | cmd_size = snprintf(command, SYSFS_BUS_ID_SIZE + 4, "add %s", |
42 | busid); | |
e9837bbb | 43 | else |
544c4605 JZ |
44 | cmd_size = snprintf(command, SYSFS_BUS_ID_SIZE + 4, "del %s", |
45 | busid); | |
e9837bbb | 46 | |
1e940319 | 47 | rc = write_sysfs_attribute(match_busid_attr_path, command, |
544c4605 | 48 | cmd_size); |
30f05546 | 49 | if (rc < 0) { |
50 | dbg("failed to write match_busid: %s", strerror(errno)); | |
1e940319 | 51 | return -1; |
e9837bbb | 52 | } |
53 | ||
1e940319 | 54 | return 0; |
e9837bbb | 55 | } |