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Commit | Line | Data |
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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
1e940319 VM |
2 | #include <sys/types.h> |
3 | #include <sys/stat.h> | |
4 | #include <fcntl.h> | |
5 | #include <errno.h> | |
6 | ||
7 | #include "sysfs_utils.h" | |
8 | #include "usbip_common.h" | |
9 | ||
10 | int write_sysfs_attribute(const char *attr_path, const char *new_value, | |
11 | size_t len) | |
12 | { | |
13 | int fd; | |
14 | int length; | |
15 | ||
16 | fd = open(attr_path, O_WRONLY); | |
17 | if (fd < 0) { | |
18 | dbg("error opening attribute %s", attr_path); | |
19 | return -1; | |
20 | } | |
21 | ||
22 | length = write(fd, new_value, len); | |
23 | if (length < 0) { | |
24 | dbg("error writing to attribute %s", attr_path); | |
25 | close(fd); | |
26 | return -1; | |
27 | } | |
28 | ||
29 | close(fd); | |
30 | ||
31 | return 0; | |
32 | } |