33 lines
562 B
C
33 lines
562 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <errno.h>
|
|
|
|
#include "sysfs_utils.h"
|
|
#include "usbip_common.h"
|
|
|
|
int write_sysfs_attribute(const char *attr_path, const char *new_value,
|
|
size_t len)
|
|
{
|
|
int fd;
|
|
int length;
|
|
|
|
fd = open(attr_path, O_WRONLY);
|
|
if (fd < 0) {
|
|
dbg("error opening attribute %s", attr_path);
|
|
return -1;
|
|
}
|
|
|
|
length = write(fd, new_value, len);
|
|
if (length < 0) {
|
|
dbg("error writing to attribute %s", attr_path);
|
|
close(fd);
|
|
return -1;
|
|
}
|
|
|
|
close(fd);
|
|
|
|
return 0;
|
|
}
|