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